PODCAST · health
Brainwaves
by Nina Valdez
Your doctor tells you one thing, Google says another, and that health influencer you follow swears by something completely different. The result? You're more confused about your own health than when you started looking for answers.That's where Brainwaves comes in. Nina Valdez spent fifteen years treating patients in emergency rooms, watching people make critical health decisions based on terrible information. Now she translates the latest medical research into the kind of straight talk you'd actually get from a doctor who has time to explain things properly.Every episode breaks down new studies about how your brain and body actually work. You'll find out why that "miracle" supplement probably isn't, what the research really says about anxiety treatments, and which wellness trends have actual science behind them. Nina's seen enough heart attacks and panic attacks to know the difference between medical facts and marketing hype.Each episode gives you the real story behind health headli
Episodes
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Stuart McMillan: Why Your Gym Routine Is Making You Slower
Most people think they're getting stronger at the gym. Turns out, they're getting slower. Stuart McMillan, who's trained Olympic sprinters and NFL players, drops some uncomfortable truths about why your typical weight room routine might be sabotaging your power and speed. Nina breaks down the...
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Why Your Brain Fights Focus (And How to Win)
Your brain literally rewrites itself every time you focus intensely on something. But most people waste this superpower because they don't understand how attention actually works. Nina Valdez breaks down the fascinating neuroscience behind focused attention and why 13 minutes of concentrated…
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Why Elite Athletes Ice Bath Wrong (And What They Should Do Instead)
Most athletes are doing ice baths wrong. They're hopping in frozen pools right after their biggest training sessions, thinking they're speeding up recovery. But new research shows this timing could actually be sabotaging their gains. Nina breaks down the surprising science of how your body...
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Dr. Santos: Why 90% of Happiness Research Is Wrong (And What Actually Works)
Dr. Laurie Santos just dropped a truth bomb that's going to mess with everything you think you know about happiness. Turns out 90% of what makes us think we'll be happy is completely backwards. What you'll discover: • Why people who practice gratitude for just one week show measurable increases…
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Why Your Brain Blocks Creativity: Tom Segura Breaks the Science
What if the secret to better problem-solving wasn't logic, but learning how to bomb on stage? Tom Segura performs 300 shows a year, and what he's discovered about creativity will change how you think about your own mental blocks. Most people think comedy is pure talent. Wrong. Segura spends 6-18...
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Why Your Brain Keeps Choosing Addiction (And How to Stop)
Your brain starts rewiring itself after just 10 days of repeated substance use. That's not willpower failing, that's neuroscience. Ryan Soave breaks down the actual mechanisms behind addiction and the tools that work to break free. Nina digs into why some treatments have 60-70% success rates…
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The Brain Hack That Changes Everything: Dr. Deisseroth's Breakthrough
What if everything you think you know about depression, anxiety, and brain disorders is about to change forever? Dr. Karl Deisseroth just proved we can control individual brain cells with light. Not metaphorically. Literally. His optogenetics breakthrough lets researchers flip specific neurons on...
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What Elite Athletes Know About Learning That You Don't
Your brain learns skills 3x faster when you make mistakes 15% of the time. Any higher and you get overwhelmed. Any lower and you're not pushing hard enough. In this episode, Nina Valdez breaks down the actual neuroscience behind rapid skill acquisition and why most people are learning completely...
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Keto vs Vegan vs Paleo: A Scientist Settles The Debate
Dr. Christopher Gardner spent 25 years running diet studies at Stanford, and his biggest discovery might surprise you: the "best" diet is the one you'll actually follow. His DIETFITS study tracked 600 people for a year, splitting them between low-carb and low-fat diets. The result? Both groups…
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Why You're Losing Endurance Gains Every Single Week
Here's why your Sunday long run isn't building the endurance you think it is. Most people train endurance completely backwards. They go hard when they should go easy, skip the boring stuff that actually works, and wonder why their progress stalls after a few weeks. Nina Valdez breaks down the…
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What Jordan Peterson Gets Right About Life Choices (Most People Miss This)
Most people think Jordan Peterson just tells you to clean your room and call it self-help. But there's actually hardcore psychology backing up his approach to life decisions. Peterson developed his Future Authoring program after treating patients for 20 years, and it's been tested on over 40,000...
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Michael Easter: Why Soft Lives Create Weak People
You're spending 93% of your life indoors, checking your phone 96 times a day, and wonder why everything feels hard. In this episode, Nina Valdez sits down with Michael Easter to explore why our comfortable lives are making us weak and what we can do about it. The science is clear: humans need...
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The Energy Hack Biohackers Don't Want You to Know
Your muscles are exhausted, your brain feels foggy, and that third cup of coffee isn't helping. What if the real problem isn't your schedule or your sleep, but tiny powerhouses inside your cells that you've never heard of? In this episode, Nina Valdez reveals how mitochondria control everything...
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Dr. Mark Hyman: Why Your Doctor Is Keeping You Sick (And What to Do Instead)
The average American takes 4 prescription medications daily, yet we're sicker than ever. What if your doctor is treating symptoms while the real problem gets worse? In this episode, Nina Valdez sits down with Dr. Mark Hyman to reveal why traditional medicine keeps you trapped in a cycle of pills...
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Why Your Morning Light Exposure Is Making Your Anxiety Worse
Your cortisol's supposed to drop after sunrise. So why does your anxiety spike the second you check your phone in the morning? Turns out, that blue light hit might be hijacking the exact brain pathways designed to calm you down. Dr. Andrew Huberman's research reveals how morning light exposure…
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Dr. Christof Koch: The Brain Scientist Who Changed His Mind About Consciousness
What if a brain scientist who spent 30 years studying consciousness completely changed his mind about how it actually works? Nina Valdez sits down with Dr. Christof Koch, the neuroscientist who went from hardcore materialist to someone who thinks your toaster might be conscious. Dr. Koch mapped...
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Why You're Losing Focus Every Day (It's Not What You Think)
Your brain fog might not be a brain problem at all. It could be your ears. Most people think their ears just handle hearing, but your vestibular system is actually running a hidden control center for focus, balance, and learning. Nina digs into the latest research showing how your inner ear...
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Why You're Recovering Wrong: The 3 Protocols That Actually Work
Your gym buddy swears by protein shakes every two hours. Your trainer says you're not lifting heavy enough. And that fitness influencer claims recovery is all about ice baths and red light therapy. But what does the actual research say about building muscle and recovering properly? Nina Valdez...
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Why Your Money Conversations Are Killing Your Relationship
Your partner just bought another expensive gadget without asking. Again. You're trying to figure out if you should start an argument or just quietly resent them for the next three weeks. Most couples think money fights are about the money. They're not. Divorce attorney James Sexton has watched...
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Why Stanford Scientists Say You're Learning Everything Wrong
Your brain is literally rewiring itself right now as you read this. But Stanford scientists discovered that most of us are completely missing the moments when our brains do their best work. Turns out, those 10-second breaks you feel guilty about? That's when your brain replays new information up…
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The Brain Circuit That Triggers Every Eating Disorder (And How to Fix It)
Anorexia kills more people than any other psychiatric disorder, yet most of what you think you know about eating disorders is completely wrong. In this episode, Nina Valdez breaks down the actual brain circuitry behind anorexia, bulimia, and binge eating: why your insula matters more than...
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The Tooth Bacteria That's Eating Your Brain (And How to Stop It)
What if the bacteria in your mouth isn't just causing cavities, but actually eating holes in your brain? In this episode, Nina Valdez reveals the shocking connection between your oral health and Alzheimer's disease that most doctors never talk about. Your mouth houses over 700 species of…
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The Hidden Pattern Dr. Keating Found in Space That Predicts Human Behavior
Dr. Brian Keating just discovered something that'll make you rethink everything about how humans connect. The same mathematical patterns that govern galaxy clusters across billions of light-years? They're identical to how your social networks form here on Earth. What you'll discover: • Why 85% of...
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Why Your Brain Crashes at 2pm (It's Not What You Think)
Your afternoon energy crash isn't about willpower. It's chemistry. That 2pm slump hits because your blood sugar rollercoaster is hijacking your brain's neurotransmitter production. Nina breaks down exactly what's happening in your head when you reach for that cookie, and why the "fix" usually…
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Josh Waitzkin: Why Schools Kill Mastery (And What Actually Works)
Ever notice how the smartest people you know seem terrible at teaching? They skip steps, assume you know what they know, and leave you more confused than when you started. Josh Waitzkin figured out why. At 13, he became a National Chess Master. By 16, he was an International Master (and inspired...
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Why You're Losing Motivation Every Day (Dopamine Science Explains Everything)
Your motivation isn't broken. Your dopamine system is just being hijacked by modern life. Most people think motivation is about willpower or mindset. Actually, it's pure neurochemistry. Nina breaks down the latest research on how dopamine really works and why you're probably doing everything...
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Dr. Ellen Langer's Mind Hack That Literally Reverses Aging
Your doctor probably told you that aging is inevitable and mostly genetic. Dr. Ellen Langer's research suggests they're wrong. The Harvard psychologist has spent 40 years proving that your thoughts about aging, exercise, and health can literally change your biology. Her studies sound like science...
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You're Losing 40% of Your Memory Every Night (Sleep Scientists Reveal Why)
Your brain literally deletes memories while you sleep. And if you're not sleeping right, you're losing way more than you think. Nina breaks down new research showing that poor sleep doesn't just make you tired—it actively erases up to 40% of what you learned that day. Plus, why your metabolism...
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Why Your Daily Stretching Routine Is Actually Making You Less Flexible
Your yoga instructor swears by 20-minute morning stretches. Your physical therapist says hold each pose for 30 seconds. But what if all that stretching is actually making your hips tighter and your back more vulnerable? Dr. Kelly Starrett drops some uncomfortable truths about why most people's...
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What Dreams Actually Do While You Sleep (It's Not What You Think)
That weird dream where you're trying to learn piano but your fingers keep turning into marshmallows? Your brain might actually be working harder than you think. New research shows dreams aren't random brain static during sleep. They're your personal training simulator, helping you master skills…
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Your Brain Stops Growing at 25: The Neuroplasticity Lie Ruining Your Career
Your doctor probably told you your brain stops developing at 25. Turns out that's complete garbage, and believing it might be sabotaging your ability to learn new skills, break habits, or advance your career. The real story? Your brain rewires itself every single day through neuroplasticity.…
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The Hidden Emotion Signal That Ruins Every Relationship
Your heart is sending secret messages to your brain right now. About 90% of the nerve traffic between these two organs flows upward, not down. And most people have no idea this is happening. What you'll discover: • Why heart rate variability predicts relationship success better than personality...
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The 6-Week Window That Determines Your Sexual Biology Forever
Your baby's sex isn't determined at conception. It happens during a six-week window that rewrites their entire biological future. Most people think XX equals female, XY equals male. But Nina breaks down the real story: how one tiny gene called SRY flips a molecular switch around week 6-7 of...
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Why Your Brain Makes 35,000 Decisions Wrong Every Single Day
Your brain just made 11 decisions reading this sentence. By tonight, it'll make about 35,000 more. And here's the scary part: most of them will be completely wrong. Nina breaks down the latest neuroscience on why your decision-making system is basically broken by design. Turns out that "gut...
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Why Tough Kids Aren't Built the Way You Think (Research Reveals Why)
Most parents think building tough kids means pushing them harder when they mess up. New research shows this approach actually makes kids more fragile. What you'll discover: • Why guilt shuts down the brain's learning centers (and what to do instead) • Dr. Becky Kennedy's "Good Inside" method…
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Why Tough Kids Aren't Built the Way You Think (Research Reveals Why)
Most parents think building tough kids means pushing them harder when they mess up. New research shows this approach actually makes kids more fragile. What you'll discover: • Why guilt shuts down the brain's learning centers (and what to do instead) • Dr. Becky Kennedy's "Good Inside" method…
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What Elite Athletes Know About Learning That You Don't
Ever wonder why some people pick up new skills in weeks while others struggle for months? The answer isn't talent - it's strategy. Your brain has built-in learning accelerators that most people never activate. Nina breaks down the surprising research on how elite athletes and top performers...
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Why Your Testosterone Crashes at 3 PM (Sleep Scientists Finally Explain)
Your testosterone doesn't randomly tank at 3 PM. New research from Stanford's Sleep Medicine Center shows it's actually your circadian rhythm fighting with cortisol spikes, and the fix is simpler than you think. Most guys hit that afternoon wall and blame stress or lunch. But Nina Valdez breaks...
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Why Your Doctor Won't Tell You These 5 Immune System Secrets
Here's your 40% immune system boost hiding in plain sight. Nina Valdez breaks down five evidence-based secrets most doctors never mention because they're too busy treating symptoms, not strengthening your natural defenses. Dr. Roger Seheult reveals why that expensive immunity supplement can't...
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Why McDonald's Spent $50M Studying Your Hunger (And What They Found)
McDonald's didn't spend $50 million on hunger research just to sell more Big Macs. They discovered something about your appetite that most doctors still don't understand. Turns out your brain has been lying to you about when you're actually full. And that "willpower" you think you're lacking?…
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Why Matthew Walker Changed His Mind About Sleep Supplements
Getting sunlight in your eyes within the first hour of waking increases cortisol by 50% and sets your circadian rhythm. Your afternoon coffee at 2 PM? Still has 25% of its stimulating power at 10 PM thanks to caffeine's 6-8 hour half-life. In this episode, Nina Valdez breaks down the sleep…
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What Huberman Gets Right About Thyroid (That Your Doctor Misses)
Your metabolism isn't broken. It's just confused by mixed signals from your thyroid and growth hormone. Andrew Huberman talks a lot about optimizing hormones, but here's what he gets right about thyroid function that most doctors completely skip over. Your thyroid doesn't just control your energy...
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Why Your Brain-Body Connection Is Sabotaging Your Workouts
Your brain isn't talking to your body the way it should. And it's costing you every time you work out, try to sleep, or deal with stress. Most people think the brain-body connection is some wellness buzzword. But there's actual science showing how this communication breakdown messes with…
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The Relationship Pattern That's Costing You Real Love
Most people think they're bad at dating. They're not. They're just picking the wrong people for predictable reasons. Therapist Lori Gottlieb breaks down why smart people keep making terrible romantic choices. Turns out about 70% of us have secure attachment styles, but these folks are practically...
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Your Brain on Grief: Why Loss Rewires You (And How to Heal)
Your body knows the difference between grief and sadness. When someone you love dies, your brain literally rewires itself, firing the same neural pathways as physical injury. That crushing feeling in your chest? It's not just a metaphor. Dr. Mary-Frances O'Connor has spent two decades studying…
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The $2.3 Trillion Brain Mistake 90% of People Make Every Day
Most people think exercise is just for their body. They're missing a $2.3 trillion opportunity happening inside their skull every time they break a sweat. Nina breaks down the latest neuroscience showing how a simple 20-minute workout literally grows new brain cells and boosts your memory for…
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The Glucose Fix for Anxiety and Depression That Science Ignored
What if your depression and anxiety aren't actually mental health problems, but metabolic ones your brain can't solve? Dr. Chris Palmer just dropped research that changes everything we thought we knew about treating mental illness. Turns out your brain might be starving for the right fuel, and...
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Lex Fridman: Why AI Will Never Replace Human Love (But It Might Enhance It)
MIT's AI researcher Lex Fridman has had over 400 three-hour conversations with the world's smartest people. What he discovered about machines, creativity, and love might surprise you. In this episode, Nina Valdez breaks down Fridman's insights on why artificial intelligence will transform how we...
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Huberman Reveals Why You Can't Trust Your Instincts
Your body is constantly receiving chemical messages that bypass your conscious mind completely. That whiff of your ex's cologne that makes your heart race? The way you instantly relax when you smell fresh bread? It's not coincidence - it's your olfactory system running the show behind the scenes....
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Your Daily Habits Are Rewriting Your DNA (And You Don't Even Know It)
Your morning coffee habit just changed your DNA. So did yesterday's workout, that stressful meeting, and even the way you breathed during meditation. In this episode, Nina Valdez breaks down the wild science of epigenetics with Dr. Melissa Ilardo, whose research on sea nomads reveals how our…
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ABOUT THIS SHOW
Your doctor tells you one thing, Google says another, and that health influencer you follow swears by something completely different. The result? You're more confused about your own health than when you started looking for answers.That's where Brainwaves comes in. Nina Valdez spent fifteen years treating patients in emergency rooms, watching people make critical health decisions based on terrible information. Now she translates the latest medical research into the kind of straight talk you'd actually get from a doctor who has time to explain things properly.Every episode breaks down new studies about how your brain and body actually work. You'll find out why that "miracle" supplement probably isn't, what the research really says about anxiety treatments, and which wellness trends have actual science behind them. Nina's seen enough heart attacks and panic attacks to know the difference between medical facts and marketing hype.Each episode gives you the real story behind health headli
HOSTED BY
Nina Valdez
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Frequently Asked Questions
How many episodes does Brainwaves have?
Brainwaves currently has 50 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.
What is Brainwaves about?
Your doctor tells you one thing, Google says another, and that health influencer you follow swears by something completely different. The result? You're more confused about your own health than when you started looking for answers.That's where Brainwaves comes in. Nina Valdez spent fifteen years...
How often does Brainwaves release new episodes?
Brainwaves has 50 episodes. Check the episode list to see recent publication dates and frequency.
Where can I listen to Brainwaves?
You can listen to Brainwaves on PodParley by clicking any episode. We provide an embedded audio player for direct listening, and you can also subscribe via your preferred podcast app using the RSS feed.
Who hosts Brainwaves?
Brainwaves is created and hosted by Nina Valdez.
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