One Health Tweak a Week Podcast

In this week’s episode, we’re talking about a small shift that could help you stay slimmer, sleep better, reduce reflux, improve your blood sugar, and possibly even support a longer, healthier life.Most of us think meal timing is a minor detail. We focus on what we eat, while barely noticing that dinner has become the biggest meal of the day and is landing later and later. But the research suggests that this matters much more than most people realise.In this episode, we’ll show you why your body handles food differently depending on the time of day, why the same calories can have different effects when eaten early rather than late, and why breakfast, dinner timing, and intermittent fasting are really all part of the same circadian story.We’ll also cover the practical pattern that seems to work best: a real breakfast, more of your calories earlier in the day, and a lighter, earlier dinner. And because real life isn’t designed around perfect biology, we’ll talk about what this means if you’re a night owl, a shift worker, or someone whose evenings always seem to run away with them.If dinner has quietly become the main event in your day, this episode may explain why that’s not great - and what to do about it.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

In this week’s episode, we look at one of the most underestimated foods for long-term brain health: fruit.Most of us think of fruit as vaguely healthy, useful for vitamins and fibre, but not especially strategic. The research tells a different story. Eating about 200g of whole fruit a day is linked to lower risks of stroke, dementia, depression, and cognitive decline, and much of the benefit seems to arrive by that level.In the episode, we walk through the evidence behind that 200g target, including what large studies have found about fruit and dementia risk, why berries and other flavonoid-rich fruits stand out, and why whole fruit beats juice. We also cover fruit and mood, the difference between fresh, frozen, juiced, dried, and blended fruit, and how to build a simple fruit habit that doesn’t end with a guilty trip to the compost heap.This isn’t about eating heroic quantities or buying exotic superfoods. It’s about a straightforward daily habit that can do a great deal for your brain, your mood, and your future health.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

In this week’s episode, we’re talking about a protein problem that gets far less attention than it should: as we get older, it’s not enough to get “some protein somewhere” across the day and assume that will take care of our muscles.We tend to think about frailty as something vague and inevitable. It isn’t. Frailty steals strength, balance, confidence, and independence, and often starts earlier than people realise. One reason is that ageing muscle becomes less responsive to protein, just as appetite often begins to shrink.In this episode, we explain the three protein ideas that are easy to muddle together: your daily protein target, how much protein a meal needs to actually count for muscle maintenance, and why leucine matters as part of that signal. We also look at why breakfast is often the meal most worth fixing, why front-loading protein earlier in the day makes sense, and why many older adults are probably underdoing protein without knowing it.This isn’t about bodybuilding or influencer-level protein obsession. It’s about staying strong, steady, and independent for longer.If you’re in midlife or beyond, this episode will help you think more clearly about what your muscles need now. And if you’re younger, there’s a good chance it will make you think differently about someone you love.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

In this week’s episode, we’re looking at what really matters if you want to stay strong as you get older - and it’s not the number on a body-composition scan.We hear a lot about protein, lean mass, and the need to optimise everything. But when it comes to healthy ageing, the more important question is whether you’re staying strong and physically capable. Measures like grip strength and walking speed tell us far more about later-life health and independence than a printout telling you how much lean tissue you have.We talk through what the research shows about muscle loss with age, why strength tends to decline faster than muscle mass, and why that matters for things like mobility, balance, falls, and staying independent. I also explain why walking, good as it is, doesn’t replace resistance exercise if you want to keep your muscles doing their job.Protein still matters, especially as you get older, but it comes second. Muscles need a reason to stay, and that reason is regular strength-building work.So this episode is really about getting the priorities straight: less obsession with body-composition numbers, more focus on staying strong, steady, and useful in everyday life.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

In this week’s episode, we’re talking about visceral fat - the fat packed around your abdominal organs that is much more strongly linked than ordinary body fat to insulin resistance, worse cholesterol patterns, type 2 diabetes, and long-term cardiometabolic risk.Most people assume the best way to reduce belly fat is to diet harder. But when you look specifically at visceral fat, the evidence points in a different direction. Large reviews suggest that exercise is more effective than calorie restriction for reducing this dangerous fat, even when dieting leads to more overall weight loss.We’ll look at why the scale can be misleading here, why you can lose visceral fat while your weight barely changes, and why that matters. We’ll also walk through the evidence showing that the more energy you expend through exercise, the more visceral fat you’re likely to lose, and why vigorous aerobic exercise and HIIT appear to work best.This is also a realistic episode. We’ll talk about what “enough” exercise actually looks like in practice, why a few gentle strolls usually won’t make much difference to visceral fat, and why resistance training still matters even if it isn’t the strongest standalone tool for this specific goal.If you’ve ever felt frustrated that your waistline and your scales don’t seem to agree, this episode should help you think about the problem more clearly - and give you a more useful plan for what to do next. Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

In this episode, we explore a question that turns out to be much bigger than sleep alone: what happens when your body clock starts to drift?The starting point is deceptively small. Over the past couple of months, my bedtime slipped by around 45 minutes. On paper, that sounds trivial. In practice, it brought early waking, rougher mornings, and that slightly wired, slightly frayed feeling that suggests something deeper is off. And that is the heart of this episode: the idea that functioning is not the same as being in sync.We often treat poor sleep, late-night screen use, caffeine reliance, rough mornings, and drifting routines as separate problems. But what if they are really clues that the underlying timing system beneath them - your circadian rhythm - is getting blurrier signals than it should?We unpack what circadian rhythm actually is, why regular timing matters for more than just sleep, and what the research says about rhythm stability and long-term health. We also look at the practical side: morning light, consistent wake times, meal timing, evening boundaries, and the small daily cues that help your body know when day begins and night ends.If your routines have been quietly drifting later, this episode will help you spot the signs - and tighten one slipping rhythm before your body accepts it as normal.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

If you’ve ever looked at a bowl of grapes and thought, “This is basically sweets in disguise”, this episode is for you.This week, we tackle a surprisingly anxious question: does eating fruit every day quietly sabotage your weight and waistline - or can it actually help?We’ll walk through what large, long-term studies really show: people who eat around 200 g / 7oz of whole fruit a day - roughly two decent handfuls - tend to gain less weight over time, are less likely to become overweight or obese, and usually have slightly slimmer waists than those who rarely touch fruit. Then we get into the why. Not magic fat-burning, but how whole fruit behaves in your body: water, fibre and intact cell structure slow sugar absorption, increase fullness, and make fruit far more likely to displace savoury snacks, biscuits, desserts and sugary drinks than to add on top. We’ll also unpack why juice and smoothies behave much more like soft drinks, and where they fit (or don’t) if you’re watching your weight.Finally, we’ll give you a simple, no-drama rule of thumb: how to use a “double handful” of fruit most days to support your long-term health and weight, without calorie-counting or fear of fruit sugar.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

If you’re going to spend money on extra-virgin olive oil, it’s worth making sure you’re not just buying a story on the label.In this episode, we move from why EVOO is such a good health bet to how to actually choose, store, and use it so you’re more likely to get the benefits the studies point to.We’ll look at why “extra-virgin” is a legal grade, not a health guarantee, and why polyphenols are the real stars. We’ll walk you through the simple signals that tilt you towards a higher-polyphenol bottle without needing lab tests: harvest date, country or region, single-estate and early-harvest clues, and even that peppery throat “bite”.Then we get practical about packaging and storage: why dark glass in a cool cupboard matters, why very large bottles are usually a false economy, and why plastic bottles, pouches and many cans are best avoided if you care about both polyphenols and endocrine-disrupting chemicals.Finally, we tackle how to cook with EVOO in real life. We bust the “only use it cold” myth, and look at how to make olive oil your default fat for salads, sautéing and roasting so you naturally drift towards that 10–30 ml/day “benefit zone” - without drinking it by the shot.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

This week’s episode is about extra-virgin olive oil as a small daily habit that quietly pulls several big levers at once.We look at why regular EVOO use keeps turning up in the data alongside lower risk of early death, fewer deaths from heart disease, cancer and dementia, a lower risk of type 2 diabetes and osteoporotic fractures, and slightly better weight and waist outcomes - even though it’s a calorie-dense fat.We break down the practical “benefit zone” of roughly 10–30 ml a day (about 2 teaspoons to 2 tablespoons), why you don’t need to aim for Mediterranean-level intakes, and why the real magic is what EVOO replaces: butter, margarine, ghee, lard, hard spreads, cheap vegetable oils, mayonnaise and creamy sauces.We’ll also put some common worries into context - especially the fear that “oil is fattening” and must be used in homeopathic amounts if you care about your weight.By the end of the episode, you’ll have a clear picture of how much olive oil you’re probably getting now, which other fats are doing most of the day-to-day work in your kitchen, and where the easiest opportunities are to let EVOO take over some of those jobs. Next week, we’ll build on that by looking at which bottles are actually worth buying - and how to use them well.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

In this episode of One Health Tweak a Week, we zoom out from the protein hype and ask a calmer question: given your age and how you actually eat, how much protein makes sense – and are you anywhere near it?Everywhere you look, the message is “add more protein”. High-protein labels are slapped on yogurts, cereal, bread, ice cream and snacks; fitness feeds throw around magic numbers like 0.8 g/kg, 120 g a day, 1.6 g/kg for “gains”. But big national surveys suggest most under-65s are already at around 1.0–1.3 g/kg, and large cohort studies hint that the lowest risk of early death for many adults sits nearer 0.7–0.9 g/kg, not the bodybuilder targets.We’ll unpack how that picture flips in later life, where the real danger becomes too little protein, muscle loss and falls, and why many older adults quietly slide down to 0.6–0.8 g/kg just as they may need closer to 1.0–1.2 g/kg (if kidneys allow) to stay strong and independent.Then we’ll walk you through a simple two–three day protein check-up so you can estimate your own intake in g/kg and see, by age band, whether your bigger risk is too little protein, too much, or the wrong kind – and make one calm, age-appropriate tweak instead of chasing the loudest voice online.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

If you’re eating pretty well, avoiding sugar-sweetened drinks, and your belt still feels tighter than it should, this episode is for you.In last month’s belly-fat episode, we asked listeners to upgrade just one ultra-processed eating occasion. More than half chose their snacks. That made me curious - and when I dug into the data, it made sense. For many adults, snacks now provide around a quarter of daily calories, and a disproportionate share of added sugar, saturated fat, and ultra-processed food. In other words, your “just a biscuit” moments might be doing more damage than your meals.In this episode, we’ll look at why snacks are such a powerful lever for visceral fat and metabolic health, including a brain-imaging study where eight weeks of high-fat, high-sugar snacking actually changed how people’s reward circuits responded to rich foods. We’ll talk through the big danger zones - the late-morning or mid-afternoon slump and the after-dinner treat - and why the underlying need (hunger, tiredness, or reward) matters.Then we’ll get practical. We’ll walk you through a two-minute snack audit, simple design rules for a “waist-friendlier” snack, and a menu of options that still feel like real treats. We’ll finish with a 7-day “snack upgrade” experiment designed to be small, realistic, and surprisingly powerful.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

In this episode of One Health Tweak a Week, we zoom out from individual habits - bedtime, breakfast, evening screens - and look at the bigger system they all feed into: your body’s internal clock.We’ll walk you through what circadian rhythms are, why you have one master clock in the brain and lots of local clocks in organs like the liver and gut, and why health isn’t just about what you do but when you do it.We’ll look at large studies showing that people with fragmented, irregular 24-hour routines have higher risks of dementia, stroke, Parkinson’s disease, anxiety and even early death, even when their total sleep time looks “fine”. We’ll touch on shift work, social jetlag, and why midlife is when circadian misalignment really starts to bite.Then we bring it back to something practical: a simple way to sketch your own 24-hour rhythm so you can see where your life and your body clock are currently out of sync. No perfection, no overhaul - just observation.If you’re someone who already cares about sleep, diet and exercise, this episode will help you connect those dots into one overlooked pillar: living in better rhythm with your body clock.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

We’ve been told to eat our five a day for as long as we can remember - but what does the evidence actually say? And how much fruit do you really need to see measurable health benefits?In this episode of One Health Tweak a Week, we look at three decades of data from over 100,000 adults to uncover the surprisingly strong link between whole fruit intake and healthy ageing. We’ll cover why fruit topped the leaderboard in a major study of people who reached age 70 free from major disease or disability - and what makes whole fruit different from juice, smoothies, or added sugars.You’ll learn:* Why 200 grams / 7oz a day (about a double handful) seems to be the sweet spot* How fruit is linked to lower risk of heart disease, stroke, diabetes, and dementia* How to make fruit a daily habit - even if you’re more biscuit than berries* And why your fruit bowl might be judging you (just a little)This isn’t about superfoods or expensive berries. Just one tweak - easy to measure, easier to keep.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

If you’ve ever thought, “I’m already doing quite a lot… surely the only way to get healthier is to overhaul everything,” this episode is for you.This week, we dig into a new Lancet analysis of nearly 59,000 adults that asks a deceptively simple question: what happens when you make small, combined improvements in sleep, movement, and diet - instead of trying to perfect just one?You’ll hear how higher SPAN scores (Sleep, Physical Activity and Nutrition) were linked with extra years of total and disease-free life, why the steepest gains appear at the bottom of the curve, and what that means if you - or someone you care about - are starting from a less-than-ideal baseline.We’ll walk through concrete examples from the study:* How 5 extra minutes of sleep, 2 minutes of moderate-to-vigorous movement, and ½ cup of veg a day mapped to about one extra year of life, and* How slightly bigger but still realistic changes were associated with around five extra years.We’ll also talk about sweet spots for sleep and activity (yes, more is not always better), why doing “a little in two lanes beats doing a lot in one”, and how this paper quietly validates the whole One Health Tweak a Week approach.If you’re ready to choose one or two tiny, stackable tweaks this week, press play.If you’d like to see the graphs and scoring criteria so you can see where you are on the SPAN scale, head over to the newsletter version of this podcast. You’ll find it here.The One Health Tweak a Week newsletter has now been read over 100,000 times. Subscribe to get it in your inbox every Saturday.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

This week on the One Health Tweak a Week podcast, we’re wading into the high-protein craze.Everywhere you look there’s another “protein” label – bars, cereals, puddings, even water. You’re told more protein will help you build muscle, burn fat, and age well. At the same time, you may have heard whispers that too much could be harmful. So are high-protein foods actually helping your health – or just helping someone sell more ultra-processed snacks?In this episode, I walk through why protein has become the wellness world’s favourite nutrient and Big Food’s favourite health halo, and who is actually likely to be getting too much versus too little. We’ll talk about how “high protein” can act as a Trojan horse for additives and refined starches, and why chasing 150 g a day can distract from basics like plants, movement, sleep, and, in later life, getting enough protein in real meals.Then we land on this week’s tweak: dropping just one high-protein junk food a day and swapping it for real food (or nothing at all). It’s a calm, doable reset – especially if your trolley has quietly filled up with “protein” everything.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

This week on One Health Tweak a Week, we’re talking about belly fat that isn’t just cosmetic - the visceral kind packed around your organs.You can have a “healthy” weight on paper and still be quietly accumulating fat in the wrong place. Visceral fat sits deep in the abdomen and chest, wrapped around organs like the liver, intestines, pancreas and even the heart - and it’s strongly linked with insulin resistance, type 2 diabetes, abnormal blood fats, fatty liver disease, cardiovascular disease and more.The frustrating part? Your waist can worsen while the bathroom scales behave.The encouraging part? You don’t need a full lifestyle overhaul to start shifting things. In this episode, I’ll explain why your waistline is a better “metabolic vital sign” than weight alone - and why ultra-processed foods are a high-leverage first place to start.Then we’ll run a simple 7-day experiment: identify your most ultra-processed eating occasion (often breakfast or snacks), and upgrade just that one meal for a week. No calorie counting. No perfection. Just a repeatable swap you can actually stick to - plus the friction-killers that stop this kind of change dying after two days.If you want 2026 to be the year your waistband eases up - and your long-term health gets stronger with each small shift - start here.If you’d like the printable or interactive tracker that accompanies this episode, you can download it from this week’s newsletter:Start Tackling Belly Fat: 7-Day Ultra-Processed Food Experiment I’ve also built an interactive tool that will ask you a few questions, then do all the hard work for you. You’ll just need your height and waist measurements. You can access it here.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

This week’s episode is a New Year check-in - a little different from the usual “here’s one tweak” format.Over the past year, One Health Tweak a Week has grown into a lively, health-literate community: curious, sceptical of fads, and far more interested in what actually moves the dial than what’s merely trendy. Looking back at comments and polls, a few patterns stood out. You loved the calm, practical food rules that make everyday decisions feel simpler. But some sticking points remain stubbornly common - especially sleep (waking in the night) and long stretches of sitting, even among people who walk regularly.The bigger lesson is one most of us already know: information isn’t the main problem. The gap is implementation - the space between “that’s a good idea” and “this is what I do now”.So in 2026, the focus shifts slightly: less new information for its own sake, more help with follow-through. In this episode, you’ll hear the small change I’m making, plus a simple three-prompt mini exercise you can use to turn one good intention into something that’s actually easier to do this week.If you want the trackers/checklists/tools we’re building, they’ll live in the newsletter. Sign up below.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living.Links to this year’s most popular posts as mentioned in the podcast:* Ignore the Noise: The Simple Eating Rules That Save Lives* The Only Food List You’ll Ever Need for Healthy Ageing?* Eat Carbs, Age Better: What 47,000 Women Taught Us* The Gut-Friendly Carb Linked to Longer Life Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

After eleven months of sending out weekly “health tweaks”, I did the slightly uncomfortable thing: I looked back and asked what actually changed in my own life.This is a Christmas special, and it’s not a lecture. It’s a behind-the-scenes, mildly embarrassing report card on what happened when evidence-backed ideas met real life: deadlines, preferences, and the strange power of the bakery section in Marks & Spencer.You’ll hear about the tweaks that genuinely stuck (including my new hard rule on microwaving food in plastic, and how that accidentally turned me into a “jar person”), the ones that half-worked (hello, 18°C office), and the ones I still routinely lose to my own habits (late nights, anyone?).There are also cameos from: tins of mackerel, a demoted oven, and matcha - which I drink standing up in the kitchen like I’m taking antibiotics, followed immediately by a square of dark chocolate as compensation.If you’ve ever read health advice thinking “yes… and yet”, this one’s for you. It’s a reminder that the work isn’t knowing; it’s designing a life where the sensible option is also the easy one. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Most of us know we “sit too much”, but how much is too much - and can a daily walk or gym session really cancel it out?In this episode, I dig into what the research actually says about long days spent sitting and your risk of early death, heart disease, type 2 diabetes and cancer. We’ll look at where the risk curve really starts to bend upwards (spoiler: it’s lower than you might think), and why you can be physically active and still sedentary if most of your waking hours are spent in a chair.I’ll walk you through how much movement - and what intensity - seems to blunt the damage of 8-10 hours of sitting, using simple tools like the “talk test” and your heart rate if you wear a watch. No physiology lecture, just clear rules of thumb.Then we’ll get practical. How do you build an hour or so of movement that gets you at least a little out of breath into real life - whether you’re office-based, working from home, or retired? We’ll talk brisk walks, chores that genuinely count as exercise, and short movement breaks that help your body handle blood sugar while you’re still at your desk or on the sofa.Ideal listening if you spend a lot of the day sitting, but want Future You to have many more active years to enjoy.Science-backed advice, simple steps, real results. Subscribe to the One Health Tweak a Week newsletter today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Is all this effort to “eat healthier” actually worth it - in years of life, not just in vague virtue points?In this episode of One Health Tweak a Week, we dig into two big pieces of research that try to answer exactly that. Using data from hundreds of thousands of people in the UK and six other countries, researchers modelled what happens to life expectancy when you move from a typical Western diet to something healthier - and then to a fully “longevity-optimised” plate.We’ll talk through what the numbers really say: why realistic changes in midlife can still add several extra years to your life, and how, in some cases, bigger shifts might buy you 7–10 extra years. We’ll also look at what those diets actually look like, from a gram-perfect longevity plan to the much simpler UK Eatwell Guide, which still delivers about 80-plus percent of the benefit.Most importantly, we’ll translate the modelling into something you can act on this week. You’ll hear why four levers - nuts, whole grains, sugary drinks and processed meats - do most of the heavy lifting, and how to pick just one to focus on without feeling you have to become a saint overnight.If you’ve ever wondered whether changing what’s on your plate really moves the needle, this episode is for you.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Some people can fall asleep anywhere, any time. For everyone else, there are two main weak spots that make nights miserable: getting to sleep in the first place, and waking at 3–4 am and not getting back off.In this episode, we’ll walk you through a joined-up, practical plan for both.We’ll start with the quiet culprits that wire you up during the day - social jetlag, naps, caffeine, alcohol, late meals and screens - and how they set you up for “tired but wired” nights and early-morning wakefulness.From there, we build a realistic evening wind-down buffer: a 60–90 minute slope into sleep, not a cliff-edge you fall off at “bedtime”. You’ll hear how to choose a few simple anchors (reading, journalling, a warm shower) and one hard boundary that actually protects your nights.Then we tackle the two patterns separately:* If you can’t drift off, we’ll use a short worry window and a shift in mindset so you stop trying to force sleep.* If you keep waking at 3 am, we'’ll show you how to create a kind 3 am corner and use the “if I’m clearly awake, I get up” rule without wrecking the rest of the night.You’ll come away with a 7-night experiment you can start tonight - and a simple playbook you can lean on the next time your brain won’t switch off.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

You probably know the feeling: you’re exhausted, you’ve tried all the usual sleep tips… and yet your brain refuses to get the memo.In this episode, we’re not adding more “sleep hacks” to the pile. We’re asking a different question: what if your problem isn’t sleep, it’s timing?I’ll walk you through the two systems that quietly run your nights - sleep drive (how long you’ve been awake) and your circadian clock (your internal 24.2-hour metronome). We’ll look at how indoor days, late screens, irregular meals, naps, lie-ins and weekend drift slowly prise those systems apart, raising not just sleep problems but risks linked to metabolism, appetite, blood pressure, mood and long-term health.Then we’ll get practical.You’ll learn the six anchors of circadian alignment:* A realistic, consistent wake-up window* Morning light (and why grey skies still count)* Evening dimness and screen timing* Earlier, more regular meals* Sensible rules for naps and lie-ins* Consistency between weekdays and weekendsWe’ll finish with a 14-day “anchor protocol” you can actually follow, plus a simple way to track whether your body clock finally knows what time it is.If you’ve ever thought, “I’m just bad at sleep,” this episode is my case for a gentler explanation - and a much more hopeful fix.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

If you’re not sleeping well, chances are you’ve already tried the basics - less caffeine, fewer screens, maybe even a magnesium supplement or two. But what if the problem isn’t your bedtime routine… but something deeper you haven’t yet spotted?In this episode, we walk through a 7-step self-audit to help you figure out what’s really going wrong with your sleep - and why. You’ll learn how to:* Identify your true sleep pattern (is it falling asleep, staying asleep, or waking up exhausted?)* Spot lifestyle, hormonal, or emotional factors that might be at play* Rule out the usual suspects - from light and noise to caffeine and wine* Recognise medical red flags that signal it’s time to speak to a doctor* Pull together a simple, personalised “sleep hypothesis” to guide your next stepsThis isn’t just another sleep hygiene checklist. It’s a structured, evidence-backed process that helps you stop guessing - and start seeing the patterns in your own nights.Whether you’re lying awake at 3 a.m. or waking up foggy after a full night’s sleep, this episode will help you understand what’s going on - and where to start making changes.Perfect for your next walk, commute, or wind-down.🧰 Prefer a guided version of this sleep audit?If you don’t have pen and paper handy - or just want to speed things up - I’ve built a free interactive tool that walks you through this same 7-step process.It helps you:* Identify which sleep disruptors are most likely affecting you* Flag any warning symptoms to discuss with your doctor* Get tailored next steps based on your responses🟢 Try the Sleep Self-Audit Tool Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Can your diet really change how acidic your body is? And if so… should you care?This week, we’re diving into the alkaline diet - the wellness trend that claims eating “alkaline-forming” foods (like leafy greens and lemons) and avoiding “acid-forming” ones (like meat, cheese, and eggs) can lower your cancer risk, improve your bones, balance your hormones, and even cure reflux.But how much of that is science… and how much is marketing theatre?We’ll unpack what the alkaline diet actually is, what a PRAL score measures, and why your blood pH isn’t something you can tweak with lunch - unless you’ve ingested antifreeze. You’ll hear why the apparent benefits of “alkaline” diets are more likely due to eating more plants and fewer animal products, not a change in internal chemistry.We’ll also look at:* The one condition where acid load really matters (and why this doesn’t apply to most people)* Whether alkaline diets help with acid reflux (spoiler: not really)* How to eat more plant-based without falling for pseudosciencePerfect for anyone who’s ever googled “alkaline foods” or wondered whether their urine pH means anything.Listen in and get clarity - minus the pH strips.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Naps can be magic - or a mistake. In this episode of One Health Tweak a Week, we dive into the science behind daytime naps: when they help, when they harm, and how to get them right.You’ll hear why short naps (under 30 minutes) can sharpen your focus, mood, and memory - even if you already sleep well at night. But you’ll also learn about the darker side of daytime dozing: longer naps, especially those over 45 minutes, have been consistently linked with higher risks of cardiovascular disease, type 2 diabetes, obesity, and even premature death.We’ll explore why these risks emerge, from the stress of waking up twice a day to disruptions in your body’s internal clock. And we’ll walk through a simple checklist to help you nap safely: how long, when, and how often.Whether you’re a proud napper or a reluctant one, this episode will help you nap with confidence - or rethink whether you should nap at all.🎧 Perfect for a walk, commute, or a mid-afternoon energy slump.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Ever feel bloated or uncomfortable after what should have been a perfectly healthy meal? It might not be your imagination - and it might not be gluten, dairy, or stress, either. In this episode, we’re talking about FODMAPs: a group of fermentable carbohydrates found in everyday foods like fruit, legumes, dairy, wheat, and vegetables like onions and garlic.For most people, these carbs are beneficial. But for some - particularly those with IBS or sensitive guts - they can trigger symptoms like bloating, cramps, diarrhoea, or constipation. We’ll unpack what FODMAPs are, how they behave in the gut, and why they cause problems for some people but not others.You’ll learn how to spot a possible FODMAP pattern, why you shouldn’t start restricting foods without professional guidance, and what to do if your symptoms have been dragging on. We’ll also walk through the evidence behind low-FODMAP diets, what the research really shows, and why this isn’t something to try off a blog post or a checklist alone.Whether your gut is peaceful or unpredictable, this episode will help you decide if FODMAPs matter for you - and what to do next if they do.This podcast is for general information only and is not a substitute for professional medical advice, diagnosis, or treatment. If you’re experiencing new, persistent or worrying symptoms, please consult your doctor. The aim is to help you have more informed conversations with healthcare providers - not to diagnose or treat anything yourself.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Do you really need 10,000 steps a day? The science just got sharper.This episode breaks down the largest device-based analysis to date - hundreds of thousands of people across 88 studies - and the results might surprise you.Turns out, the biggest drop in early death risk happens not at 10,000 steps, but much earlier. We’re talking steep gains by 6,000 steps, especially for heart disease, cancer mortality, and overall longevity.But it’s not just about staying alive. We also cover what the data says about:* Dementia risk, which continues to fall all the way to 8,000–10,000 steps* Depression, where the relationship is almost linear - the more you walk, the better you feel* Type 2 diabetes, falls, and why walking protects your health even beyond weight controlWe also touch on a new Nature Communications study showing that intensity may matter more than we thought. Just 1 minute of vigorous activity could offer the same benefit as 50–150 minutes of light activity. That doesn’t mean ditching steps - it means turning some of them into stronger steps.By the end, you’ll know which targets are worth aiming for, where the health sweet spots lie, and how to personalise your walking habits based on time, fitness, and goals.Walking isn’t just exercise - it’s preventive medicine with a daily dose.If you’d like to see the graphs discussed in this episode, you can find them here.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Is eight hours of sleep really the ideal for adults - or just a widely accepted myth?In this episode of One Health Tweak a Week, we examine what decades of high-quality research reveal about the relationship between sleep duration and long-term health.Drawing on meta-analyses and cohort studies involving millions of participants, we explore why seven hours of sleep per night may be more consistently linked to better outcomes than the traditional eight. Across multiple conditions - including cardiovascular disease, type 2 diabetes, dementia, and all-cause mortality - the data show a U-shaped curve, with risk increasing at both ends of the sleep spectrum.We also look at studies on sleep timing and regularity, including evidence that going to bed between 10 and 11 pm and waking around 6 to 7 am may align best with our internal clocks and reduce cardiometabolic risk.This episode distils the clearest signals from a complex literature - helping you understand how much sleep is associated with healthier ageing, and why the answer might not be what you were told.If you’d like to see the graphs discussed in this episode, have a look at this week’s newsletter.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Most of have heard for years that carbs are the enemy. But what if cutting carbs wasn’t the key to ageing well - and might even work against us?In this week’s episode of One Health Tweak a Week, we take a fresh look at the carbohydrate question through the lens of a massive new analysis from the legendary Nurses’ Health Study. This isn’t about fad diets or weight loss tricks - it’s about what helps you reach your seventies still sharp, still active, and free of major disease.You’ll hear:* Why low-carb isn’t always better - and where the data says the sweet spot lies* Which types of carbohydrates are most strongly linked to healthy ageing* The single best label trick for spotting healthy carbs at a glance* Simple food swaps that could shift your risk without overhauling your whole dietWe also bust some long-held myths, explain how fibre and glycaemic index play into it all, and explore why only 7.8% of women in this 30-year study hit the healthy ageing benchmark.If you’ve ever felt confused about what carbs to eat - or whether you should be eating them at all - this episode clears the fog.Listen in while you prep dinner, go for a walk, or just need a grounded voice cutting through the health hype.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Most supermarket bread is marketed as wholesome - but a closer look tells a different story.In this episode we dig into the additives hiding in everyday loaves, from gluten boosters to “natural flavours,” and explain why one common preservative, calcium propionate, stands out. You’ll learn:* Why even wholemeal bread qualifies as ultra-processed food* How calcium propionate can disrupt blood-sugar control and weight regulation* Simple ways to find - or bake - a cleaner, tastier loafFull charts and references are in the newsletter.Please consider signing up. We’d love to have you!Science-backed advice, simple steps, real results. Subscribe to the One Health Tweak a Week newsletter today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Monounsaturated fats don’t get much airtime.Health advice tends to focus on cutting saturated fats or getting enough omega-3s - but hardly anyone talks about the fat we might need the most.In this episode, we shine a light on monounsaturates: the overlooked fats found in olive oil, nuts, seeds, and avocados that could have a profound impact on your long-term health.Drawing from large population studies - including one that followed nearly 200,000 people for over a decade - we explore how getting the right balance of fats may lower your risk of dying prematurely by more than 60%. That’s not a typo.You’ll learn:* Why typical Western diets fall well short of the ideal monounsaturate target* The difference between plant- and animal-derived sources - and why it matters* The best oils for cooking (and the worst offenders hiding in your cupboard)* Easy, everyday ways to rebalance your fat intake without counting grams or calories🔊 Hit play, drizzle some extra virgin olive oil on your lunch, and let’s rethink the fats that are quietly shaping our future health. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

“Eat the rainbow.” “Thirty plants a week.” These mantras are everywhere, from wellness blogs to Instagram reels. The idea sounds simple: the more variety on your plate, the healthier you’ll be. But does the science actually back that up?In this week’s episode of One Health Tweak a Week, we dig into the research on dietary diversity - and what we find isn’t as neat and colourful as the slogans suggest. Yes, restrictive diets are risky: living mostly on meat and potatoes, or tea and toast, is a fast track to nutrient gaps and poor health outcomes. But beyond that, the evidence gets messy.Some studies show broad benefits from variety, others find no effect, and a few even throw up contradictions - like reduced stroke risk in men but increased risk in women. How do we make sense of this? And, more importantly, what should end up on your plate?We’ll look at why diversity scores can be misleading, when variety matters most, and why the smartest approach is to build your variety from the foods most strongly linked to healthy ageing - not to chase novelty for its own sake.By the end, you’ll know how to spot the limits of the “rainbow” message, and how to put dietary diversity to work in a way that actually supports longevity.Here’s the green list of foods most strongly linked to healthy ageing discussed in the podcast:Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Tomatoes are one of the world’s favourite foods. From summer salads to steaming bowls of pasta, they show up everywhere. But here’s the surprising part: that juicy raw tomato you slice onto your plate might actually deliver less of its most powerful nutrient than a spoonful of ketchup or a ladle of pasta sauce.In this episode, we dig into the science of tomatoes, lycopene, and longevity. You’ll hear why tomatoes have earned their reputation as a superfood - bringing potassium, vitamin C, folate, fibre, and antioxidant polyphenols to the table. But we’ll also uncover the hidden trick: it’s not just about how many tomatoes you eat, but how you prepare them.Cooking breaks down the plant cell walls, heat transforms lycopene into a more absorbable form, and olive oil unlocks its fat-soluble potential. Together, that turns a simple ragu into a powerful longevity tool. We’ll explore what the research shows - lower risks of cardiovascular disease, stroke, prostate cancer, and even premature death - and break down exactly how much you need to get the benefit.You’ll also get practical meal ideas, from shakshuka to roasted tomato soup, so you can turn everyday cooking into a health tweak that pays off for years.Join us as we turn your next tomato dish into more than dinner - it’s a quiet investment in your long-term health.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

We joke about forgetting where we put the keys or why we walked into a room - but dementia is no laughing matter. It’s already the leading cause of death in the UK and climbing fast in most Western countries.The common belief? Dementia is down to fate - age, genes, bad luck.The reality? Almost half of your dementia risk is within your control.In this episode, we unpack the latest findings from The Lancet’s global dementia panel. Their report highlights 15 risk factors - from diabetes and blood pressure to less obvious ones like hearing loss, poor vision, loneliness, and even the air we breathe.You’ll learn:* Why treating depression or hearing loss can lower dementia risk as much as managing blood pressure.* Which everyday habits quietly add or subtract years from your brain’s health.* How to make sense of the evidence without getting lost in medical jargon.Most importantly, I’ll walk you through a practical framework: four categories (Mind, Body, Senses, Lifestyle) and a seven-day kick-start plan to get you moving right now.This isn’t about fear - it’s about agency. You don’t have to overhaul your life overnight. Start with one action, one change, one small step toward a sharper future.👉 Press play and future-proof your brain, one tweak at a time.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

This week, we’re diving into one of the most comprehensive pieces of nutrition research - Harvard’s 30-year study following more than 105,000 Americans to see how different eating patterns affect healthy ageing.And here’s what I think is most important: while the Alternative Healthy Eating Index topped the charts, the real gold is in the details - a ranked list of individual foods linked to staying strong, sharp, and independent well into later life.You can see how the foods stack up in the diagram below.In this episode, you’ll learn:* The green list foods to make daily staples* The red list foods that quietly chip away at your future health* The muddled middle foods whose impact depends on how they’re prepared and served* How to use this simple list to guide your choices without following a rigid “named” dietNo fads. No guesswork. Just clear, evidence-based guidance you can put into practice at your very next meal.Whether you’re a long-time listener or new to the podcast, this episode will give you a roadmap for eating in a way that supports the life you want - for as long as possible.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Not all carbs are created equal - and one type might just feed your gut, steady your blood sugar, lower cholesterol, and reduce your risk of cancer.This week, we dive into resistant starch: what it is, where to find it, and why it’s a nutritional sleeper hit.You’ll learn:* Why some starches act more like fibre (and why that matters)* What happens when you cook, chill and reheat your carbs* Which humble foods consistently show up in longevity studies* Why Big Food is jumping on the resistant starch bandwagon* And how to tweak your meals to support your microbiome (without buying anything weird)No gimmicks. No fibre-fortified snacks. Just better carbs.This isn’t just starch. It’s strategy. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

🎙️ This Week on One Health Tweak a Week: Is Your Healthy Bread Really That Healthy?You’ve switched to wholegrain. You buy seeded. You skip the white fluff. So your bread’s healthy… right?Maybe not.In this episode, we lift the lid on supermarket loaves - from those labelled “wholemeal” to your favourite organic sandwich bread - and ask: what’s really inside?Turns out, even the brown, rustic-looking loaves marketed as healthy fall under the category of ultra-processed food. And while many of the additives used in modern breadmaking are harmless (some are even things you’d find in your own kitchen), there’s one ingredient that might quietly be messing with your metabolism: calcium propionate.Just three slices a day could impair your insulin sensitivity and increase your risk of weight gain and type 2 diabetes.We’ll explore:* What ultra-processed really means - and why it matters* How the Chorleywood process revolutionised (and degraded) bread* The truth about gluten, emulsifiers, and other common additives* Why calcium propionate deserves a place on your “watch” list* How to spot it - and better alternatives to tryPlus, I’ll share the results of my deep dive into a baker’s dozen of top-selling supermarket breads in the US and UK… and what led me to start baking my own.This one tweak could improve your daily staple - and help you reclaim your bread from the ultra-processed pile.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Are you running low on magnesium - without even knowing it?Half of all adults in developed countries don’t get enough magnesium, and the consequences are anything but minor.In this episode, we unpack what’s quietly become one of the most overlooked health risks of our time. Magnesium is essential for over 300 cellular processes - from keeping your heart beating steadily to regulating blood sugar, supporting sleep, calming the nervous system, and protecting your brain. Yet it’s slipped through the cracks of modern life.You’ll learn:* Why magnesium deficiency is so widespread (even in people who think they eat well)* The foods and lifestyle factors that deplete your magnesium stores* How low magnesium levels affect everything from sleep and blood pressure to insulin resistance, osteoporosis, and cognitive decline* Why blood tests often miss the problem - and what to do about it* Simple ways to raise your magnesium levels through food and, if needed, supplementsThis isn’t a fringe wellness topic. It’s an under-the-radar epidemic affecting energy, mood, and long-term health - and one that’s surprisingly easy to fix once you know what to look for.Whether you’re dealing with stress, fatigue, restless legs, or just want to protect your heart and brain as you age, this episode offers practical, evidence-backed steps to support your magnesium levels and your health.🎧 Tune in now - your cells will thank you.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

We all know tea is good for us… don’t we? But which one - green or black - actually delivers the most health benefits? And could your daily cuppa be doing less than you think (or even undoing the good entirely)?In this episode, we dig into the science behind the world’s favourite drink. We’ll look at how green and black tea compare on everything from heart health and brain ageing to cancer risk and weight loss. You’ll learn how caffeine, L-theanine, and antioxidants differ between matcha, sencha, and builder’s brew - and why more isn’t always better.We’ll also tackle the big, milky question: does adding milk (or plant milk) wipe out the benefits? And what about contaminants like pesticides, fluoride, and heavy metals—are they something to worry about?Expect strong evidence, surprising findings, and a few wry truths about those influencer-beloved matcha lattes. If you’ve ever wondered whether it matters what kind of tea you drink - or how you drink it - this is the episode for you.So, before you put the kettle on… press play.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

We all know the advice: brush your teeth twice a day for two minutes.But is that really the best we can do for our oral - and even systemic - health?In this week’s episode of One Health Tweak a Week, we dive into the science behind brushing: how often, how long, and how gently you should be brushing for optimal results. Spoiler: brushing more doesn’t always mean brushing better.We’ll explore:* Why plaque builds up so quickly - and why brushing once a day might not be enough* The surprising risks of brushing too often or too aggressively* Why two minutes is the sweet spot for most people, and who might benefit from brushing longer* How brushing technique, bristle softness, and timing (especially after acidic foods) can make or break your dental health* And how brushing effectively doesn’t just protect your teeth - it could also reduce your risk of heart disease, stroke, diabetes, and more.Whether you’ve always followed the rules or haven’t thought much about your toothbrush since the last dentist visit, this episode offers simple, science-backed tips that could protect more than just your smile.🎧 Listen now and give your brushing routine the upgrade it deserves.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Is your decaf doing more harm than good?This week on One Health Tweak a Week, we’re diving into the surprising science of decaffeinated tea and coffee - and why your choice might matter more than you think.If you’ve ever swapped to decaf to help with sleep, anxiety or bladder issues, you’re not alone. Decaf is on the rise, especially among younger and older drinkers alike. But not all decaffeination methods are equal - and some come with unexpected risks.In this episode, we explore:* How decaf is actually made - from water and CO₂ extraction to chemical solvents like methylene chloride* Which methods are safest - and which still leave behind toxic residues banned in other industries* What decaffeination does to polyphenols and antioxidants - are you losing the healthy stuff along with the caffeine?* Why switching to decaf could prevent life-altering falls in older adults - and how this seemingly minor decision can have major consequencesWhether you already drink decaf or wouldn’t touch it with a bargepole, this is a fascinating look at what’s really in your cup, and how to choose better for your long-term health.One small tweak. Big potential payoff.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

We’ve all heard it: a glass of red wine is good for your heart. Maybe even a few are fine. It’s comforting. It’s culturally baked in. But is it true?In this episode, we’ll dig into the seductive myth that moderate alcohol is healthy, and unpack what the evidence really says. From flawed studies and industry spin to the way risk gets smoothed over in headlines, we’ll take a sober look at where that “protective effect” idea came from, and whether it still holds up.This isn’t a finger-wagging lecture. If you enjoy the odd drink, I get it. I do too. But if we’re going to drink, let’s do it with open eyes - not clouded by wishful thinking disguised as science.If you’d like to do the exercise discussed and see how your drinking affects you health, here’s the information you need:Here’s a quick-reference cheat sheet showing the alcohol content of common drinks:How to use it:* If you drink the same amount daily, just use that number. * If your drinking varies, add up your weekly intake and divide by seven to get your daily average. Now you’ve got your grams per day - now look at the graph below and find your place on the curve.Let’s say you drink two large glasses of wine with dinner. That’s 2 x 26g = 52g of alcohol a day.Trace 52 along the bottom axis of the graph. Now move up to the curve. You’ll see that your risk of premature death is around 2.4 times higher than if you didn’t drink at all.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Smoothies: health food or hidden hazard? If you’ve ever wondered whether your morning blend is helping or harming your health, this episode is for you.What started as a personal frustration - being bombarded by online ads warning that “smoothies are the most toxic drink known to man” - led us down a science-backed rabbit hole. Are these claims nonsense? Or is there a sliver of truth beneath the clickbait?In this episode, we look into the science of fruit in all its forms: whole, juiced, and blended. We explore why health authorities limit fruit juice intake, what happens when you strip away fibre, and why the same fruit can behave so differently depending on how it’s processed. You’ll learn how juice affects blood sugar, appetite, and long-term health - and why it doesn’t offer the same protection as whole fruit.Then we turn to smoothies. Are they a simple shortcut to your five-a-day? Or do they come with stealth calories and degraded nutrients? You’ll discover how ingredients - from banana to protein powder - affect everything from polyphenol retention to satiety, and why how you blend (and when you drink it) really matters.Packed with practical tips and myth-busting insights, this episode will help you blend smarter, chew more mindfully, and rethink what “healthy” really means in the context of fruit.Bottom line? Whole fruit still wins. But there are smarter ways to make smoothies work for you - without falling for the hype. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Confused about salt? You’re not alone. This week, we unpack the conflicting headlines and scientific feuds around sodium, blood pressure, and cardiovascular risk. Discover:* Why the controversy over salt won’t die* The truth behind the so-called “U-shaped curve”* What happened when the UK slashed salt - and why the progress stalled* Simple, science-backed tweaks to eat less salt without sacrificing flavourSpoiler: this isn’t about bland food or scare tactics - it’s about reclaiming your palate and your long-term health.🎧 Tune in now for an honest, no-hype guide to one of the most misunderstood ingredients in your kitchen.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

We love eating out. It’s convenient, social, and sometimes even feels like self-care. But what if your weekly takeaway habit or dinner reservation is quietly working against your long-term health?In this week’s episode of One Health Tweak a Week, we’re unpacking the science behind restaurant and takeaway meals - and it’s more revealing than you might expect.From oversized portions and hidden sugars to the stealth health risks of even “fancier” meals out, we look at how not-cooked-at-home food is affecting your weight, blood pressure, metabolic health and even your mood. (Spoiler: that posh bistro may not be as innocent as you think.)But this isn’t a guilt trip. It’s a practical guide to making smarter choices when dining out - so you can enjoy the experience without the long-term health trade-offs.In this episode:* The surprising impact of eating out more than twice a week* Why even full-service restaurants can rival fast food in calories, salt and fat* What eating out frequently does to your weight, heart and mental health* Real-life strategies to eat out well without relying on salads or skipping the funIf you’re someone who wants to enjoy your food and stay well, this episode’s for you.🧠 Listen now, and learn how to outsmart the menu—without giving up what you love.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

A small handful of nuts a day can slash your risk of early death by 17% - but which ones should you choose? In this episode, we break down the surprising science behind nut nutrition, from calories that don’t count (really) to which nuts are best for brain health, protein, heart health, and more. We tackle common concerns - weight gain, cholesterol, cost - and give you a smart, budget-friendly guide to getting the most from your daily handful.You’ll learn:* Which nuts support your goals: protein, fertility, brain health, and beyond* How to avoid selenium toxicity (and why one Brazil nut is plenty)* What nut skins and polyphenols have to do with longevity* Why “healthy fats” aren’t one-size-fits-all* How to make nut choices that support both your body and the planetWhether you're a long-time snacker or nut-curious, this episode will help you tweak your nut habit for maximum benefit. Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

What if the most empowering thing you do today only took 90 seconds - and made you more resilient to everything else?In this episode, we explore the science and psychology behind cold showers: why they don’t stop you getting sick, but might help you bounce back faster; how they train your stress response and sharpen your mood; and why doing one hard thing each day might just make life feel a little easier.From ancient rituals to Dutch research to personal hesitation, we cover the grit, the gain - and how to actually start (without hating it). Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Are you using mouthwash the right way - or wondering if you should be using it at all? In this episode, we explore the surprising science behind one of the most common (and most misunderstood) oral health habits.We’ll explore:* When mouthwash really helps protect your teeth—and when it does absolutely nothing* Why that minty fresh feeling might be quietly raising your blood pressure and increasing your long-term health risks* The critical role of your oral microbiome in heart health, metabolic function, and more* How to choose a mouthwash that protects both your smile and your overall health* The simple tweak most people miss when it comes to using fluoride mouthwash effectively* And why some ingredients—like alcohol and certain antimicrobials—are best left on the shelfWhether you’re a daily swisher or haven’t touched mouthwash in years, this episode will help you make smarter, science-backed decisions about what’s really worth putting in your mouth.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Fish has a reputation as a health food — but are we eating it the right way?In this episode, we explore how to get the most from fish, without the downsides. From omega-3s to mercury, cooking methods to sustainability, you'll learn how to make smarter, safer, and more effective choices.We’ll cover:* How much fish you should eat* Which types deliver the most benefit — and which to limit* Why cooking style matters more than you might think* How to balance health gains with environmental impactWhether you're a regular fish eater or just getting started, this episode will help you make every bite count.Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe

Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living.Half of all women experience depression during the menopausal transition.That statistic alone should stop us in our tracks. But too often, depression during menopause goes unseen, even by the women experiencing it. It's misread as stress, fatigue, disinterest. It's masked by busyness, silence, or the pressure to simply "cope."In this episode of One Health Tweak a Week, we take a deeper look at the silent weight so many women carry during midlife. We explore why depression at menopause is so common, how hormonal shifts and life stressors collide, and why symptoms are so frequently overlooked or misdiagnosed, sometimes even by doctors.You'll learn how to recognise the signs of perimenopausal depression (in yourself or someone else), how risk rises in specific scenarios like surgical menopause or past depressive history, and how early action - even small, steady steps - can change the trajectory.This isn't just about medical treatment. It's about visibility. It's about connection. It's about the quiet power of noticing when someone close to you is slipping away, and knowing that reaching out can be life-changing.Whether you're walking this path yourself, trying to understand your partner, friend, or colleague, or simply want to be more informed and compassionate in the face of one of the most common, and commonly missed, health challenges of midlife, this episode is for you.Because this isn’t just about mood. It’s about mental health, longevity, relationships, and lives - sometimes literally.Let’s talk honestly about depression during menopause. Let’s notice what’s too often missed. And let’s make it easier for the next woman who walks this road. Get full access to One Health Tweak a Week at newsletter.onehealthtweakaweek.com/subscribe