💬 “How you eat is so important, the time of day, how fast you eat, the ordering of the meal, how much sleep you’ve had” ~Dr Sarah Berry⚡️ Dr Sarah Berry is a nutrition scientist at King’s College London, and Chief Scientist at ZOE. Her main areas of expertise revolve around the hot topic of precision or personalised nutrition.⚡ In this episode Sarah and I explain why people can have such wildly different responses to food - from how many calories you absorb to your blood glucose response and more.🎧 Stay tuned to find out:➡ Why the calorie label on your food isn’t telling you the whole story➡︎ How eating too fast could be the cause of your weight problems➡︎  Why general dietary guidelines aren’t working (or being followed)➡︎ How stress, sleep and many other factors can change your response to food➡︎ Why the timing of your meal is important and how to fast the easy way📕 Chapters(0:44) The science of precision nutrition(5:03) Why calories are confusing(11:44) What happens when you chew more(22:08) Is personalised nutrition a rich person’s game?(27:55) The problem with assessing health biomarkers(37:13) Gut advice(42:25) Keto/animal based diets(47:28) Food timing & chrononutrition📱 Connect with me:TikTok: https://www.instagram.com/drkaranrajanInstagram: https://www.tiktok.com/@dr.karanr📱 Connect with SarahLinktree: https://linktr.ee/drsarahberry Instagram: https://www.instagram.com/drsarahberry/ 🔥 Get my free weekly newsletter filled with easy to action health tips, interesting facts and science to fill your curiosity: https://drkaran.beehiiv.com/subscribe🔥 For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”: https://geni.us/DrKaranBook 🎙️ An OG Podcasts production.

💬 “If we focus on our cognitive health early on, about 80% of dementias could be prevented” ~The Brain Docs⚡️ The Brain Docs are Drs Dean and Ayesha Sherzai. They are neurologists and codirectors of the Brain Health and Alzheimer’s Prevention Program at Loma Linda University Medical Center. They’re also the authors of ‘The Alzheimer’s Solution’ and ‘The 30-Day Alzheimer’s Solution’.⚡ In this episode The Brain Docs and I take a deep dive into brain health. We explain why it’s so important you start protecting your brain NOW - in your 20s, 30s and 40s - if you want it to start health and dementia free.🎧 Stay tuned to find out:➡ The 14 lifestyle changes you can make today to supercharge your brain➡︎ How up to 80% of Alzheimer’s cases could be prevented➡︎  Why “idea density” matters in protecting your brain health➡︎ The kinds of food you need to be eating for strong brain function➡︎ How Alzheimer’s-related brain changes can begin decades before symptoms appear📕 Chapters(1:14) Why Alzheimer’s prevention starts at an early age(3:53) The dramatic impact of lifestyle on brain health(12:35) Are we close to reversing Alzheimer’s?(16:46) Can Ozempic cure Alzheimer’s?(18:32) Why you should find out your dementia risk(29:09) LDL Cholesterol’s impact on brain function(34:30) When pseudoscience creeps in(39:24) The importance of sleep(43:17) How our mouth hygiene affects dementia risk(45:49) Understanding food and brain health(52:27) Does creating make your brain better?(55:12) Why women get Alzheimer’s more than men(1:03:34) Optimism and hope📱 Connect with me:TikTok: https://www.instagram.com/drkaranrajanInstagram: https://www.tiktok.com/@dr.karanr📱 Connect with The Brain Docs:YouTube: https://www.youtube.com/c/TheBrainDocs Instagram: https://www.instagram.com/thebraindocs/ 🔥 Get my free weekly newsletter filled with easy to action health tips, interesting facts and science to fill your curiosity: https://drkaran.beehiiv.com/subscribe🔥 For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”: https://geni.us/DrKaranBook 🎙️ An OG Podcasts production.

💬 “ We are basically farming poor people for their organs, and that is dystopian.” ~Scott Carney⚡️ Scott Carney is an investigative journalist and author of “The Red Market”, where he investigates the macabre underworld of the global body trade. Scott is also a well-known YouTuber, where he exposes and debunks science grifters.⚡ In this episode Scott and I explore the shocking size of the illegal organ trade, the deep inequities that lead people to sell their organs - and why human body parts are more sought after than ever.🎧 Stay tuned to find out:➡ Why entire villages are selling their kidneys!➡︎ The questionable ethics of some of medicine’s greatest advancements➡︎  The real-life horror story of a sadistic blood broker➡︎ Why the poorest people in the world are most at risk of being exploited➡︎ How Scott helped to shut down surrogacy houses in India📕 Chapters(0:45) What is the Red Market?(4:40) How much money is being made?(7:13) Morally questionable medical breakthroughs(13:44) Kidney villages(16:46) Are people really kidnapped for kidneys?(22:38) Corruption within healthcare(26:33) How would you source an illegal organ?(28:45) The Burke and Hare murders(35:06) The forced surrogacy industry(39:59) The biggest thing Scott’s uncovered(42:14) Threats to Scott’s life for his work(44:24) What is being done to tackle the Red Market?📱 Connect with me:TikTok: https://www.instagram.com/drkaranrajanInstagram: https://www.tiktok.com/@dr.karanr📱 Connect with Scott:YouTube: https://www.youtube.com/@sgcarney/ Instagram: https://www.instagram.com/sgcarney/📕 Check out Scott’s other books:-Dream: The Art & Science of Slumber-The Vortex-The Wedge-What Doesn't Kill Us-The Enlightenment Trap🔥 Get my free weekly newsletter filled with easy to action health tips, interesting facts and science to fill your curiosity: https://drkaran.beehiiv.com/subscribe🔥 For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”: https://geni.us/DrKaranBook 🎙️ An OG Podcasts production.

💬 “ My mission is to help save people from a lot of the mistakes that I have made.” ~Noel Deyzel⚡️ Noel Deyzel is a bodybuilder and fitness influencer, known for his openness about his steroid use. He’s amassed millions of followers online, discussing diet and exercise strategies, and spreading messages about positive mindset and motivation.⚡ In this episode Noel and I explore the rising use of performance enhancing drugs in the fitness space, the impact this is having on male beauty standard - and why he’s cut back on everything.🎧 Stay tuned to find out:➡ How people are being more open about steroid use - and why that’s good AND bad➡︎ The risks teenagers as young as 16 are taking with their health in pursuit of muscle➡︎ The two major life events that have made Noel completely reconsider his life choices➡︎  The best and worst supplements to spend your money on➡︎ What “cheat day” looks like for Noel📕 Chapters(0:42) When Noel was skinny(1:43) Distorted beauty standards in fitness(5:18) The “fake natty” epidemic(7:31) The responsibility of being an “influencer”(10:31) Facing health consequences of steroids(20:40) There are no quick fixes(22:56) A simple supplement guide(30:07) The gut-muscle connection(32:14) Mindset and motivation(35:03) Noel’s cheat meal(36:58) Worst fitness trends(37:46) Most overrated supplement(38:43) Most underrated supplement(39:21) Most jacked person Noel’s ever met📱 Connect with me:TikTok: https://www.instagram.com/drkaranrajanInstagram: https://www.tiktok.com/@dr.karanr📱 Connect with Noel:Instagram: https://www.instagram.com/noeldeyzel_bodybuilder/ YouTube: https://www.youtube.com/@NoelDeyzel/ 🔥 Get my free weekly newsletter filled with easy to action health tips, interesting facts and science to fill your curiosity: https://drkaran.beehiiv.com/subscribe🔥 For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”: https://geni.us/DrKaranBook 🎙️ An OG Podcasts production.

💬 “ Form memories with intention - and make the decisions in daily life that will give you the memories you want to hold onto.” ~Charan Ranganath⚡️ Charan Ranganath is a Professor of Psychology and Neuroscience and director of the Dynamic Memory Lab at the University of California at Davis. He’s also the author of Why We Remember: The Science of Memory and How it Shapes Us.⚡ In this episode Charan and I explore how your memory actually works and how to create a life worth remembering.🎧 Stay tuned to find out:➡ How scientifically accurate the movie Inside Out is when it comes to memory➡︎ How memories can degrade and become distorted over time➡︎ Why childhood memories are so hard - or impossible - to hold onto➡︎  How to be more intentional with your memory➡︎ The science of deja vu, PTSD, dreams and aphantasia📕 Chapters(0:34) The science of ‘Inside Out’(2:39) How memories degrade over time(5:56) When life “flashes before your eyes”(8:34) Remembering our dreams(12:30) Childhood memories(18:23) How false memories are made(22:51) Gaslighting(26:18) Why we fixate on negative memories(28:57) PTSD and traumatic memories(35:49) Is modern tech making our memory worse?(38:56) How to improve your memory(46:05) The science of deja vu(49:05) Aphantasia: How some people have no inner monologue📱 Connect with me:TikTok: https://www.instagram.com/drkaranrajanInstagram: https://www.tiktok.com/@dr.karanr📱 Connect with Charan:Instagram: https://www.instagram.com/thememorydoc/ Website: https://charanranganath.com/ 🔥 Get my free weekly newsletter filled with easy to action health tips, interesting facts and science to fill your curiosity: https://drkaran.beehiiv.com/subscribe🔥 For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”: https://geni.us/DrKaranBook 🎙️ An OG Podcasts production.

💬 “ When you slow down and actually appreciate what we already have, that is the path to true happiness.” ~Haemin Sunim⚡️ Haemin Sunim is a Zen Buddhist Monk and author of three books - all of which focus on mindfulness, self compassion and finding peace in a busy world.⚡ In this episode Haemin and I explore the teachings of Zen Buddhism, and learn how they can be integrated into our daily lives.🎧 Stay tuned to find out:➡ How to slow down and stop living in a constant state of busyness➡︎ How to jump off the hedonic treadmill and stop clinging to cravings and desires➡︎ Why people with a greater sense of purpose live longer➡︎  Why spirituality and science are more closely linked than you realise➡︎ How to deepen your happiness today, even if you only have 5 seconds to spare📕 Chapters(0:32) The teachings of Zen Buddhism(3:45) Reincarnation and previous lives(5:05) Why we all feel lost right now(10:51) Random acts of kindness(12:44) Why we all need to slow down(17:22) Getting off the hedonic treadmill(19:23) Starting a mindfulness/meditation practice(21:47) The impact of stress on physical health(24:52) Quick ways to practice mindfulness(31:29) The “I don’t know” mindset(36:17) When things don’t go your way(42:33) How to be more lucky(45:12) Are spirituality and science at odds?(47:38) How to stop clinging to desires(50:48) Teaching our children self-acceptance📱 Connect with me:TikTok: https://www.instagram.com/drkaranrajanInstagram: https://www.tiktok.com/@dr.karanr📱 Connect with Haemin:Instagram: https://www.instagram.com/haemin_sunim/ Website: https://www.haeminsunim.com/ 📚 Haemin’s books:The Things You Can See Only When You Slow DownWhen Things Don’t Go Your WayLove for Imperfect Things🔥 Get my free weekly newsletter filled with easy to action health tips, interesting facts and science to fill your curiosity: https://drkaran.beehiiv.com/subscribe🔥 For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”: https://geni.us/DrKaranBook 🎙️ An OG Podcasts production.

In this engaging discussion, Dr. Jessica Knurick, a nutrition scientist and dietician known for debunking health misinformation, tackles the Make America Healthy Again movement. She critiques its reliance on sensational claims about food dyes and seed oils that distract from systemic public health issues. Jessica reveals the erosion of trust in science, the problem with focusing solely on ingredients, and how misinformation affects infant nutrition. Listeners will learn to spot health propaganda and understand why a broader look at public health policies is essential.

💬 “Evolution doesn't select for longevity. It doesn't care how long you live.” ~Venki Ramakrishnan⚡️ Venki Ramakrishnan is a Nobel Prize-winning biologist, former president of the Royal Society and author of Why We Die: The New Science of Ageing and Longevity.⚡ In this episode Venki and I uncover the science of why we die, whether there’s a biological reason why we can’t live forever, and what will happen if we do eventually crack the longevity code.🎧 Stay tuned to find out:➡ Whether the $30 billion longevity industry has brought us any closer to immortality➡︎ Why we’re living longer, but with more disability and disease than ever➡︎ Why death and our own mortality makes life worth living➡︎  How even scientists are taking controversial longevity drugs like metformin➡︎ The best, science-backed ways to add healthy years onto your life📕 Chapters(0:32) Why do we die?(3:06) What do we mean by death?(4:26) Are we close to reversing death?(5:57) Why we want to live forever(9:11) Do humans have an age limit?(11:07) Living healthier for longer(16:06) What causes ageing?(21:15) Your chronological age doesn’t matter(26:17) How to improve biological age(28:16) Why some animals live longer(31:35) Dangers of experimental longevity “hacks”(40:42) Ethical dilemmas of extending lifespan(46:04) Simple ways to life for longer(47:52) Memento Mori(53:46) Longevity research that works📱 Connect with me:TikTok:https://www.instagram.com/drkaranrajanInstagram:https://www.tiktok.com/@dr.karanr🔥 Get my free weekly newsletter filled with easy to action health tips, interesting facts and science to fill your curiosity:https://drkaran.beehiiv.com/subscribe🔥 For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”:https://geni.us/DrKaranBook 🎙️ AnOG Podcasts production.

💬 “If you have a problem with your sleep, it'll worsen just about every medical condition or psychiatric condition that you're experiencing. ~Dr Sujay Kansagra⚡️ Dr Sujay Kansagra is a double board certified sleep specialist, also known as That Sleep Doc on Instagram. He’s stacked full of solutions on how you can get to sleep faster, feel more rested and deal with issues like insomnia.⚡ In this episode Sujay and I explain the science of good sleep and share plenty of hacks for you to try out.🎧 Stay tuned to find out:➡︎ Why you’re a night owl (or morning lark) - and how to change your chronotype➡ Whether sleep trackers are worth it (plus Sujay’s alternative recommendation)➡︎ The science of cognitive shuffling and warm showers for falling asleep faster➡︎ Why teenagers love a lie in and whether it’s dangerous to ‘sleep train’ a baby➡︎ Whether women really need 10 hours of sleep📕 Chapters(0:28) How poor sleep = poor health(3:01) The science of sleep(6:02) How to change your chronotype(11:46) Does school need to change so kids can sleep more?(14:09) Benefits of SAD lamps(16:10) How long should you sleep, really?(18:19) Do women really need 10 hours of sleep?(20:59) Are sleep trackers worth it?(29:31) The next big sleep technology(31:58) Keeping a sleep diary(33:07) Can you ever catch up on lost sleep?(36:17) Tricks to get to sleep and cure insomnia(41:02) Does cognitive shuffling work?(42:25) Getting room temperature right(44:34) Is sleep training babies dangerous?📱 Connect with me:TikTok:https://www.instagram.com/drkaranrajanInstagram:https://www.tiktok.com/@dr.karanr📱 Connect with SujayInstagram:https://www.instagram.com/thatsleepdoc/ 🔥 Get my free weekly newsletter filled with easy to action health tips, interesting facts and science to fill your curiosity:https://drkaran.beehiiv.com/subscribe🔥 For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”:https://geni.us/DrKaranBook 🎙️ AnOG Podcasts production.

💬 “Hello, wake up everyone. We are living in the 21st century. We are now able to make you live into your 90s, 100s. But that does mean you will be living with chronic disease. So it is everyone's business.” ~Dr Elena Mucci ⚡️ Dr Elena Mucci is consultant physician, geriatrician and university lecturer. She has a strong presence online and features on many TV shows and podcasts, sharing her expert knowledge of geriatrics.  ⚡ In this episode Elena and I destigmatise old age and show why it’s vital that everyone, no matter your age, starts planning for their older years now. 🎧 Stay tuned to find out: ➡︎ What lifestyle factors in your youth impact your risk of age related diseases ➡ How prescription meds are behind 50% of emergency department cases ➡︎ How weight-lifting drastically reduces your chance of dying when you’re older ➡︎ The real danger of alcohol and its link to dementia ➡︎ Why older people are turning more and more to Ozempic 📕 Chapters (1:28) What is a  geriatrician really? (4:22) How to fight age related disease when you’re young (7:44) Preparing for old age (13:09) Why we need personalised treatment (18:44) Preventing falls starts in your youth (24:13) What alcohol is really doing to your brain (36:52) Loneliness and mental health (41:43) The dangers of too much prescription meds (47:16) Ozempic in older people 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Elena: Instagram: https://www.instagram.com/doctor.elenamucci/  Website: https://doctorelenamucci.co.uk/  🔥 Get my free weekly newsletter filled with easy to action health tips, interesting facts and science to fill your curiosity: https://drkaran.beehiiv.com/subscribe 🔥 For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”: https://geni.us/DrKaranBook  🎙️ An OG Podcasts production.