Dr. Valter Longo: The Science of Fasting and Longevity and the Truth No One Is Telling You

What if one of the most popular health trends in the world, fasting, is actually being done wrong by millions of people?In this powerful and deeply grounded conversation, Darin sits down with world-renowned longevity expert Dr. Valter Longo to cut through the noise surrounding fasting, dieting, and modern health trends. From the dangers of prolonged fasting and skipping breakfast to the science behind the Fasting Mimicking Diet, this episode delivers a reality check rooted in decades of clinical research, not social media hype.They explore the intersection of longevity, cancer, metabolism, and modern lifestyle, unpacking why extreme protocols fail, why simplicity wins, and why aligning with your biology is the true key to a long, disease-free life. BREAKDOWNWhat You’ll Learn in This Episode:00:00:00 – Opening: SuperLife mission and framing the conversation00:00:32 – Sponsor: Therasage infrared sauna and heat therapy benefits00:03:16 – Introduction: Dr. Valter Longo and longevity research00:03:40 – The fasting craze: what’s misunderstood00:04:05 – Documentary discussion: science vs entertainment00:05:13 – Why education must outweigh entertainment00:06:19 – The danger of social media health advice00:07:00 – Food systems, pharma, and systemic health issues00:07:58 – Why clinical trials matter more than anecdotes00:08:15 – Framing fasting: trends vs real science00:08:59 – The problem with DIY fasting00:10:03 – The safest fast: 12-hour daily fasting explained00:10:38 – Risks of long fasting: cholesterol, gallstones, mortality00:11:09 – Why skipping breakfast increases health risks00:11:49 – 12-hour fasting as the most sustainable protocol00:12:13 – Modern eating habits: 15+ hour eating windows00:12:34 – Why extreme diets fail long-term00:13:37 – Feasibility: why most people won’t sustain extremes00:13:56 – Introducing the Fasting Mimicking Diet (FMD)00:14:53 – Risks of fasting without personalization00:15:20 – Why fasting can do more harm than good00:15:45 – Sponsor: Alkemis Paint, indoor toxicity and non-toxic paint00:18:42 – Clinical trials: meal timing and metabolic health00:19:03 – Morning vs evening calorie intake study00:19:56 – Why late eating disrupts metabolism and sleep00:20:21 – Epidemiology: skipping breakfast increases mortality00:21:18 – Circadian rhythm and digestion explained00:22:11 – Evolutionary biology of eating patterns00:22:41 – Circadian violations and long-term consequences00:23:11 – Short-term benefits vs long-term risks00:24:01 – Why slow progress leads to real results00:24:49 – Realistic timelines: years, not weeks00:25:19 – The modern system pushing unhealthy behaviors00:25:48 – GLP-1 drugs: convenience vs consequences00:26:13 – The danger of “effortless health”00:27:13 – Exercise analogy: why effort still matters00:28:06 – The “pill for everything” mentality00:28:48 – Finding balance between extremes00:29:25 – Sponsor: Our Place, non-toxic cookware and health00:31:12 – Personalization vs one-size-fits-all health00:31:51 – GLP-1 risks: depression, anxiety, muscle loss00:32:36 – Natural vs drug-induced weight loss differences00:33:29 – Rebound weight gain and hormonal suppression00:34:14 – Supplements vs fixing root causes00:34:37 – What is the Fasting Mimicking Diet00:35:05 – Cancer research: fasting and treatment synergy00:36:13 – How FMD mimics fasting while protecting the body00:37:06 – Gut health and microbiome benefits00:38:32 – FMD vs water-only fasting outcomes00:39:26 – Clinical trials: Crohn’s and colitis remission00:40:03 – Importance of independent research00:41:20 – Longevity through the lens of fatherhood00:42:23 – Concerns about AI and children’s development00:43:25 – Social isolation vs digital addiction00:44:25 – The need for balance in technology use00:45:10 – AI overdependence and cognitive decline00:46:18 – Mental health crisis and modern technology00:47:10 – Reclaiming creativity and human agency00:48:43 – Fasting and cancer: immune system activation00:49:53 – Why cancer cells resist fasting signals00:51:10 – The “desert analogy” for cancer vulnerability00:52:54 – Combining fasting with therapies00:54:07 – Future of treatment: precision targeting00:55:14 – Early detection and personalized interventions00:56:12 – Where fasting fits in cancer care today00:57:31 – The protein debate: how much is too much00:58:17 – Protein intake guidelines explained00:59:07 – Quality vs quantity of protein01:00:18 – SuperLife Patreon and accessing exclusive content01:01:21 – The protein obsession problem01:02:00 – Children consuming excessive protein01:03:18 – Portion control and dietary awareness01:04:07 – Risks of excessive protein intake01:05:04 – Minimal benefits vs long-term risks01:06:12 – Longevity populations and low protein intake01:08:00 – The future of nutrition science01:12:00 – Final reflections on longevity and health01:15:00 – Closing thoughts: aligning with biology LINKSFind more from Darin:Website: https://darinolien.com/Instagram: @DarinolienBook: darinolien.com/fatal-conveniences-book/Down to Earth: darinolien.com/down-to-earth/ Find More from Dr. Valter LongoWebsite: valterlongo.comInstagram: @prof_valterlongoGet His New Book: Fasting Cancer Join the SuperLife Patreon:This is where Darin now shares the deeper work:- weekly voice notes- ingredient trackers- wellness challenges- extended conversations- community accountability- sovereignty practicesJoin now for only  $7.49/month at https://patreon.com/darinolienDon’t forget…You can order now by heading to darinolien.com/fatal-conveniences-book or order now on Amazon.SPONSORSThank You to Our Sponsors:Therasage: Go to www.therasage.com and use code DARIN20 at checkout for 20% offAlkemis: Go to alkemispaint.com and use code DARIN10 for 10% off your order.Our Place: Toxic-free, durable cookware that supports healthy cooking. Use code DARIN for 10% off at fromourplace.com. I hope you enjoyed this episode of The Darin Olien Show! If you want to support or follow the podcast, here's how: Subscribe, rate or listen on Apple, Spotify, Stitcher Follow my Instagram to keep updated on the podcast, weekly deep dives and other projects that I'm supporting (and the occasional Chaga appreciation post)Sign up for my Weekly Email to keep up with what I’m tuned into.For feedback or suggestions, email my team at [email protected] Find the list of brands & products that get the big tick of approval from me here.Comment below to join the discussion!