Dr Karan Explores

💬 Dr  Megan Rossi, aka The Gut Health Doctor, is an award‑winning dietitian and nutritionist with a PhD in gut microbiome science. She's the founder of The Gut Health Clinic and the Bio&Me food brand. She’s also a Sunday Times bestselling author, dedicated to translating cutting-edge gut research into practical, real‑world health advice.⚡️In this episode, Megan and I dive into the science of gut health, exploring how your gut influences everything from mood and immunity to skin and sleep… and what you can do to improve it.🎧 Stay tuned to find out:➡︎ How your gut health impacts your mood, energy, skin, and overall wellbeing➡︎ Why you need to eat 30 different plant-based foods per week➡︎ Which fermented foods can naturally boost gut health➡︎ The gut effects of artificial sweeteners and ultra-processed foods➡︎ How stress, sleep, and movement affect gut health📕 Chapters(00:50) What’s so special about gut health?(02:38) Don’t assume you’ve got a healthy gut(04:42) Quickfire questions(06:17) The importance of gut health(09:16) Good bugs versus bad bugs(12:06) Diversity is good for the gut(14:23) The Super Six(17:15) Should you restrict dairy?(19:39) Probiotic foods and lactose intolerance(23:05) Causes of bloating(28:32) Fermented food benefits(31:44) What’s the difference between probiotic supplements and fermented foods?(35:22) Why fermented foods aren’t the answer for specific conditions(37:26) Understanding the power of probiotics(38:56) Can you trust off-the-shelf probiotics?📱 Connect with me:Instagram: https://www.instagram.com/drkaranrajanYouTube: https://www.youtube.com/@DrKaran TikTok: https://www.tiktok.com/@dr.karanr📱 Connect with Dr Megan Rossi:Instagram: https://www.instagram.com/theguthealthdoctorTikTok: https://www.tiktok.com/@theguthealthdoctor🔥 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.

💬 Alex Ruani is a doctoral researcher in diet-health misinformation at University College London. She studies how misinformation spreads, the potential harm it can do - and what techniques we should be using to stop it.⚡️In this episode Alex and I discuss the rising influence of technology and artificial intelligence on fake news and the spreading of misinformation - including how I’ve recently become the victim of a deepfake scam.🎧 Stay tuned to find out:➡︎ Why social media platforms say misinformation is a “necessary weed”➡ How misinformation online is leading to real life deaths➡︎ How AI is getting so good at spreading misinformation - threatening democracy➡︎ How one company used a Deepfake clone of ME to sell their supplements➡︎  Why the CapCut issue opens up massive trust issues with tech companies📕 Chapters(0:58) How bad is misinformation right now?(4:38) How easy it is to avoid spreading fake news(7:19) Is misinformation research working?(12:16) Why social media platforms don’t want to tackle misinformation(17:14) How to avoid restricting free speech(22:12) How I got Deepfaked(32:24) The CapCut problem: Why you should read Ts&Cs(40:47) We’re using ChatGPT wrong(46:16) How AI is rotting your brain📱 Connect with me:TikTok: https://www.instagram.com/drkaranrajanYouTube: https://www.youtube.com/@DrKaran Instagram: https://www.tiktok.com/@dr.karanr📱 Connect with Alex:Instagram: https://www.instagram.com/alexruani/ LinkedIn: https://www.linkedin.com/in/alejandraruani/ 🔥 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.

💬 Dr. Giles Yeo is a geneticist and obesity researcher at the University of Cambridge. He specialises in how brain and genetic factors influence appetite and body weight regulation. He’s known for communicating complex science around obesity, appetite, and nutrition in an accessible way through media, books, and public talks.⚡️In this episode, Giles and I dig into how our genes - especially those in the brain’s appetite and reward centres - shape our hunger signals, fat storage, and body fat “set‑points”. We explain why diets often fail and how to reset our appetite.🎧 Stay tuned to find out:➡︎ Just how strongly our genes are to blame for appetite and body weight➡︎ The specific brain region that regulates hunger and energy balance➡︎ Whether weight loss injections are really the answer➡︎ Why obesity is biological - not a moral failing➡︎ The 3 numbers to remember for weight loss📕 Chapters(00:47) Welcome back(01:01) The genetic reason for obesity(02:49) The role of the brain in weight gain(05:15) Reward, hunger and fullness(08:14) How fat cells influence how hungry you are(10:09) The hypothalamus map(13:19) What to do when your meal’s not enough(16:16) Why hormones don’t limit your appetite(18:21) The paradox of leptin resistance(20:55) Insulin resistance and weight gain(22:30) Defining high quality weight loss(24:56) The yo-yo effect(26:13) Why weight loss drugs aren’t enough(30:17) The wider benefits of GLP-1 agonist weight loss drugs(34:19) Gene mutation and obesity(37:43) Gut hormones and the role they play(41:06) The effect of early years education(44:30) Three numbers to remember(46:23) Your DNA isn’t your destiny📱 Connect with me:Instagram: https://www.instagram.com/drkaranrajanYouTube: https://www.youtube.com/@DrKaran TikTok: https://www.tiktok.com/@dr.karanr📱 Connect with Dr Giles Yeo:Instagram: https://www.instagram.com/gilesyeoX: https://x.com/GilesYeo 📕 Grab Giles’ book here: https://amzn.eu/d/hoAnVLr 🔥 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.

💬 Rhiannon Lambert is a nutritionist and author of newly released book “The Unprocessed Plate: Simple, Flavourful UPF-free Recipes to Transform Your Life”.⚡️In this episode Rhiannon and I unpack some of the more worrying stats around ultra-processed food, discuss practical advice on how you can stop over-eating and improve your nutrition easily - and add some much needed nuance to the subject.🎧 Stay tuned to find out:➡︎ Simple ways to swap out junk food for healthier, tastier options➡︎ Why back of pack calorie information can be wrong by up to 30%➡︎  How food marketing and UPFs are damaging children the most➡︎ The income issue of healthy eating - how 2.3 million people don’t have fridges ➡ Why a lack of food culture leads to worse health outcomes📕 Chapters(0:46) Understanding the stats: How UPF increases mortality risk(3:17) What is ultra-processed food?(5:08) 60% of our diets are ultra-processed: does it matter?(8:40) Why 2.8m people don’t have fridges(10:03) The psychology of over-eating(17:51) How food marketing is damaging children(21:20) How wrong are back of pack calorie labels?(23:46) Getting protein from UPF sources(27:29) Nutrients most affected by processing(32:30) The need for food culture(36:28) Where most people fall down with UPF over-eating(38:17) Simple whole food swaps to improve your diet📱 Connect with me:TikTok: https://www.instagram.com/drkaranrajanYouTube: https://www.youtube.com/@DrKaran Instagram: https://www.tiktok.com/@dr.karanr📱 Connect with Rhiannon:Instagram: https://www.instagram.com/rhitrition/ Website: https://www.rhitrition.com/ 📕 Buy Rhiannon's new book The Unprocessed Plate here: https://www.amazon.co.uk/Unprocessed-Plate-Flavourful-UPF-free-Transform/dp/0241752655🔥 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.

💬 Gabrielle Palmeri is a nutritionist, gut health dietician and self-professed fibre freak. She’s seen first hand the rising rates of colon cancer, especially in younger people, linked directly to poor fibre intake. ⚡️In this episode Gabrielle and I explore our mutual love of fibre and its amazing health benefits, and explain how you can easily up your intake.🎧 Stay tuned to find out:➡︎ The incredible number of health benefits you get from upping your fibre➡︎ Why fibre diversity is just as important as upping the amount you’re eating➡︎  How new research shows we seriously need to rethink fibre guidelines ➡︎ Easy recipe tips to make delicious, fibre-rich snacks and meals➡ Whether gut health snacks and fibre sodas are worth your money📕 Chapters(0:43) Why fibre is so significant(1:36) How much fibre are we actually eating?(3:59) How to eat more fibre without feeling overwhelmed(6:18) Build your fibre intake up slowly(8:40) Solution vs insoluble fibre(11:53) Do fibre enriched gut health sodas work?(14:27) How fibre helps weight loss(18:11) Why colon cancer is on the rise(22:53) What’s better, high fibre or diversity?(24:17) Why fibre guidelines need to be updated(29:04) Signs your body is low on fibre(31:19) Quickfire questions(34:32) Easy fibre meals(36:21) Biggest fibre myth📱 Connect with me:TikTok: https://www.instagram.com/drkaranrajanYouTube: https://www.youtube.com/@DrKaran Instagram: https://www.tiktok.com/@dr.karanr📱 Connect with Gabrielle:Instagram: https://www.instagram.com/dietitian.gabrielle/?hl=enWebsite: https://stan.store/dietitiangabrielleYouTube: https://www.youtube.com/@dietitian.gabrielleTikTok: https://www.tiktok.com/@dietitian.gabrielle?lang=en🔥 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.

💬 Cory Ruth is a registered dietitian and women’s health expert. As someone who suffers from PCOS, she has an intimate knowledge on the subject - and has dedicated her life to learning about the condition.⚡️In this episode Cory and I dig into the science of PCOS and the dietary and lifestyle strategies that can help women take control of their health, weight and vitality - and heal their bodies.🎧 Stay tuned to find out:➡︎ The common signs and symptoms of PCOS - and what doctors often miss➡︎ Why PCOS isn’t just a gynecological condition - it’s a whole-body condition➡︎  The link between gut health, insulin resistance and hormones➡︎ The food you should eat more of - and what you should avoid➡ The supplements that are actually worth your money for treating PCOS📕 Chapters(0:40) The science of PCOS & Cory’s health journey(5:00) The insulin resistance connection(7:28) Why PCOS is so easily dismissed by health pros(10:57) Not just a gynecological condition(14:05) Diet & how to eat with PCOS(18:43) The problem of ultra-processed food(21:13) How stress impacts PCOS(24:17) The role of supplements(27:33) Lab tests you should run(30:36) Can Ozempic help?(33:41) How to advocate for yourself as a patient(37:34) Advice for the person newly diagnosed with PCOS📱 Connect with me:TikTok: https://www.instagram.com/drkaranrajanYouTube: https://www.youtube.com/@DrKaran Instagram: https://www.tiktok.com/@dr.karanr📱 Connect with Cory:Instagram: https://www.instagram.com/thewomensdietitian/ Website: https://www.thewomensdietitian.com/about 🔥 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.

💬 Blair Imani Ali is an author, historian and the creator of Smarter In Seconds, an online series that is helping change people’s perspectives on issues of politics, identity, race, health and more.⚡️In this episode Blair and I delve into common biases that impact society, how we’re conditioned to think and feel the way we do, and how to find nuance in a polarised world of social media.🎧 Stay tuned to find out:➡︎  The difference between race, ethnicity, and nationality➡︎ How racism affects the healthcare people receive➡︎ What featurism is and why we make snap judgements about people➡ Why feminism has developed a negative image - and what it’s really about➡︎ How social media is hijacking our brains - and what to do about it📕 Chapters(1:00) The difference between race, ethnicity, and nationality(8:20) Health impacts of racial biases and stereotypes(19:25) Featurism - why we make snap judgements(24:52) What feminism is really about(32:51) Blair’s ADHD journey(40:07) Living a non-traditional life(44:57) How social media hijacks our brains📱 Connect with me:TikTok: https://www.instagram.com/drkaranrajanYouTube: https://www.youtube.com/@DrKaran Instagram: https://www.tiktok.com/@dr.karanr📱 Connect with Blair:Instagram: https://www.instagram.com/blairimani/ YouTube: https://www.youtube.com/blairimani 🔥 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.

A food scientist debunks viral food myths with a blend of humor and expertise. Discover whether prebiotic sodas are beneficial or simply hype. Learn why heavy metals in food shouldn’t panic you—unless, of course, it’s about your protein powders. Uncover the truth about cheese additives and mold, and why cutting it off might not be safe. Finally, get tips on food storage to keep your leftovers fresh and the importance of iodized salt for thyroid health.

💬 In this episode Dr Anthony Youn and I discuss the biggest and latest trends in plastic surgery - and how to know when you should get work done.⚡️Anthony is one of America’s most trusted plastic surgeons and a leading voice for safe, ethical cosmetic procedures. With millions of followers online, he’s known for cutting through the hype and sharing honest, expert advice on everything from Botox to BBLs.🎧 Stay tuned to find out:➡︎ Why “Ozempic face” is leading to more liposuction and surgical procedures➡︎ Why Brazilian Butt Lifts were SO dangerous - and how they’ve been fixed➡︎ How body dysmorphia completely distorts the way you see yourself➡ Food and lifestyle tips on how to improve your looks without going under the knife➡︎  The potentially fatal problem with medical tourism📕 Chapters(0:38) Most common plastic surgery(4:49) Viral trends and body dysmorphia(8:07) Beauty in an AI world(11:30) Does cosmetic surgery really make people happier?(13:25) Dangers of the Brazilian butt lift(17:39) Risks of medical tourism(21:52) How Ozempic is changing plastic surgery(23:49) Getting surgery young(28:33) Botox and fillers(32:51) How to avoid going under the knife📱 Connect with me:TikTok: https://www.instagram.com/drkaranrajanYouTube: https://www.youtube.com/@DrKaran Instagram: https://www.tiktok.com/@dr.karanr📱 Connect with Dr Anthony YounTikTok: https://www.tiktok.com/@doctoryoun YouTube: https://www.youtube.com/channel/UC9HQXWbt14wTdr_Tzc8ZE0A Instagram: https://www.instagram.com/tonyyounmd/ 🔥 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 episode Dr Federica Amati explore how our nutritional needs change and evolve at different stages in our life, and explain how the science of good health is much more clear than we’re led to believe. ⚡️Federica is the Head Nutritionist at ZOE and Nutrition Lead at Imperial Medicine and WellFounded Health. She’s also the best-selling author of ‘Every Body Should Know This’ and ‘Recipes for a Better Menopause’.🎧 Stay tuned to find out:➡︎ Why pregnancy is such a crucial time to get locked in on nutrition➡︎  How simple diet changes can massively improve symptoms of menopause ➡︎ The results of a major study looking at the optimal diets for healthy ageing➡︎ Why protein goals are overrated and ➡ Why soya and tofu doesn’t make men feminine📕 Chapters(0:46) How nutritional needs change throughout life(4:57) Why nutrition pre and post pregnancy is crucial(24:49) How diet improves menopause symptoms(34:04) Does soy make men feminine?(37:19) Results of a major healthy ageing study(42:38) Our protein obsession(47:07) Why diet and nutrition shouldn’t be scary📱 Connect with me:TikTok: https://www.instagram.com/drkaranrajanInstagram: https://www.tiktok.com/@dr.karanr📱 Connect with Dr Federica Amati:Instagram: https://www.instagram.com/dr.fede.amati/ 🔥 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.