💬 “ I know my patients get nervous around me, because this is not their normal, right? But I am looking at genitalia and examining people every single day, multiple times a day.” ~Dr Rena Malik ⚡️ Dr Rena Malik is a board-certified urologist, pelvic surgeon, sexual health expert and YouTuber. Her channel covers everything from frequent nighttime peeing, to erectile dysfunction, vaginal dryness, orgasms and penis enlargement. ⚡️ In this episode Rena and I are removing the shame and stigma of talking about these issues, so you can feel properly informed, and empowered, to take control of your health - whatever’s going on. 🎧 Stay tuned to find out: ➡︎ The science of your pelvis and how to look after it ➡︎ Just how common erectile dysfunction really is (and what to do about it) ➡ Why penis size really doesn’t matter (and the reality of penis lengthening procedures) ➡︎ Whether masturbation really reduces your risk of getting prostate cancer ➡︎ How to stop incontinence and frequent nighttime urination 📕 Chapters (1:25) Most commons issues (2:32) How to deal with embarrassment (5:54) Organs in the pelvis (9:02) Erectile dysfunction (11:31) ED a sign of heart problems? (14:52) Foods to eat for ED (18:01) Why young men are using viagra (21:50) Do you need a bigger penis? (25:21) Penis enlargement, safe or not? (29:17) Prostate health (33:41) Does masturbating lower cancer risk? (37:21) Female pelvic floor health (42:09) Incontinence issues (48:41) Training the pelvic floor muscles 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Rena: YouTube: https://www.youtube.com/@RenaMalikMD  Instagram: https://www.instagram.com/renamalikmd/  🔥 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. Andrea Love, an immunologist and microbiologist, founded ImmunoLogic to combat internet pseudoscience. She reveals how everyone can fall for health misinformation, delving into myths about fluoride, raw milk, and GMOs. Discover the real risks of cancer misinformation and the truth about mammograms. Get insights on whether supplements work and why organic might not be worth the price. Andrea emphasizes the importance of accurate health information to safeguard well-being in a world filled with misleading health claims.

In this discussion, Dr. Brad Schoenfeld, known as "The Hypertrophy Specialist," shares his expertise on building muscle with a minimalist approach. He explains how effective results can be achieved training just twice a week and clarifies why training to failure isn't necessary. The conversation delves into the pros and cons of free weights versus machines and reveals insights about supersets and drop sets. Plus, Brad tackles the science behind muscle memory and the pump, making it clear that fitness can be accessible and effective for everyone.

💬 “Chocolate has got more complexity of flavour than just about anything else on the planet” ~Spencer Hyman ⚡️ Spencer Hyman is the Co-Founder & Chair of Chocolate at Cocoa Runners, a company that sources the world’s best craft chocolate and brings them all together under one roof. Spencer is a chocolate and flavour nerd and hosts regular tasting events to share his passion. I even get to taste some myself! ⚡️ In this episode Spencer and I explore the history of humankind’s love of the cocoa bean, why craft chocolate is so much healthier than your classic supermarket bar, as well as the surprising range of health benefits it offers. 🎧 Stay tuned to find out: ➡︎ How modern processing strips all of the good out of supermarket chocolate bars ➡︎ The sneaky tricks “Big Chocolate” uses to get you to scoff bar after bar ➡ The difference between flavour and taste, and how to savour your food more ➡︎ Whether dark chocolate really is healthier than milk ➡︎ Why toxic heavy metals have been showing up in chocolate bars 📕 Chapters (1:47) How your chocolate is made (3:38) Chocolate’s history (5:08) Why it matters where your chocolate is from (6:31) Normal vs craft chocolate (11:29) Health benefits of good chocolate (17:21) Can milk or white chocolate be healthy? (22:12) Flavour, taste and mouthfeel (26:15) Chocolate and heart health (32:38) Why you should savour your food (37:26) Why we find it hard to describe flavour (41:46) Taste test (58:39) Where can you buy craft chocolate? (1:00:25) How much chocolate should you eat? (1:01:58) Heavy metal contamination (1:06:47) Why ‘fair trade’ isn’t very fair 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Spencer: Website: https://cocoarunners.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.

💬 “Microbes can influence things like behaviour, mood, cognition. We're starting to see links with things like Parkinson's disease and Alzheimer's disease as well.”  ~Dr Jonathan Swann ⚡️ Dr Jonathan Swann from the University of Southampton is one of the UK’s leading experts on the gut microbiome, with a particular interest in the gut-brain axis. ⚡️ In this episode Jonathan and I explain how your brain and gut communicate with each other, and why you might experience IBS, depression and other negative health effects when that connection breaks down. 🎧 Stay tuned to find out: ➡︎ How your gut not only talks to your brain, but your brain also talks to your gut ➡︎ Why meditating monks have super-healthy guts. ➡ How you can give a mouse depression by messing with its gut microbiome ➡︎ Whether gut-brain therapies like psychobiotics are any good ➡︎ News about human trials of poop transplants 📕 Chapters (1:12) How the gut-brain axis works (6:22) How many microbes live in the gut? (9:32) What can go wrong with the gut-brain connection? (18:19) Diet and mood (20:07) Gut transplants (21:48) The role of fungi and viruses (24:35) “A gut feeling” (26:11) Psychobiotics (32:22) Antibiotics (33:37) Microbiome’s impact on Alzheimer’s (36:34) Age-related cognitive decline (38:28) Management strategies (43:24) The problem with poop analysis 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Jonathan: LinkedIn: https://www.linkedin.com/in/jon-swann-58a83b66/?originalSubdomain=uk Website: https://www.southampton.ac.uk/people/5y5nsv/doctor-jonathan-swann  🔥 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 you are doing it with too much grit and a snarly face and “I'm really tough”, it's not actually that sustainable and enjoyable. It's not that deep. You're just going for a run” -Tommy Lewis ⚡️ Tommy Lewis is a London based ultra runner with a love of the outdoors. He shares his passion for running with a devoted following on Instagram, in an attempt to inspire people of all fitness levels to enjoy the sport. ⚡️ In this episode Tommy and I explain how running might just change your life, and debunk the myth that running will injure you. 🎧 Stay tuned to find out: ➡︎ How to embrace the boredom of running ➡︎ Why running is actually GOOD for your knees ➡ How running deepens your self-awareness ➡︎ From fitness trackers to electrolytes, what gear you really need ➡︎ The best shoes you should be wearing (and what to avoid) 📕 Chapters (1:12) How to overcome the boredom of running (3:47) Running benefits your whole life (9:25) The “runner’s high” (11:21) Running vs other sports (12:58) Fuelling creativity (15:52) 30% drop in all cause mortality (21:36) Stop taking running so seriously (24:46) Does running kill your knees? (31:29) Best shoes for running (38:10) Avoid Nike trainers? (42:11) Are fitness trackers important? (44:25) Important of zone 2 training (45:59) Are electrolytes worth the money? (48:19) What drives an ultra marathon runner (50:33) Tommy’s top three tips 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Tommy: Instagram: https://www.instagram.com/tommyrunpt/  Website: https://www.tommyrunpt.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.

💬 “I'm out here to raise awareness about something that is so precious. We only realise the value of it when we lose it.” ~Dr Joseph Manjaly ⚡️ Dr Joseph Manjaly is a consultant ear, nose and throat surgeon, who works at the internationally renowned Royal National ENT Hospital in Central London. He also runs The Ear & Hearing Specialist Clinic and has a strong following on social media. ⚡️ In this episode Joseph and I discuss everything from tinnitus to earwax and even eargasms, to help you better understand how to protect your hearing and look after your ears. 🎧 Stay tuned to find out: ➡︎ How to spot hearing loss (and the biggest warning signs) ➡︎ Why earwax is NOT a hygiene issue (and how to safely clean your ears) ➡ How hearing loss is linked with up to a 5x increased risk of dementia ➡︎ Why people with misophonia hate the sound of people chewing food ➡︎ That tinnitus doesn’t have to be a lifelong condition 📕 Chapters (1:03) Getting proactive with your hearing(4:00) What can go wrong with the ear (6:02) How does sound damage hearing? (8:14) Impact of headphones (9:30) The earbud craze (15:01) Dealing with earwax (22:30) Dementia and hearing loss (27:39) Misophonia (30:56) Tinnitus (34:06) Eargasms (37:25) Action based strategies (41:27) Red flag symptoms to look out for 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Joseph: Instagram: https://www.instagram.com/earsurgeonjoe/ TikTok: https://www.tiktok.com/@earsurgeonjoe YouTube: https://www.youtube.com/user/jm2476  🔥 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. Saul Newman, a researcher at the Oxford Institute of Population Ageing and Ig Nobel Prize winner, challenges the Blue Zones myth, exposing inaccuracies in longevity claims. He highlights that a significant number of centenarians in these regions aren't genuine, revealing corruption behind the sale of Blue Zone certificates for $40 million. Saul discusses the dangers of basing health advice on flawed data and the truth about longevity, emphasizing the critical role of genetics and advocating for a more skeptical approach to aging research.

💬 “People think I’m anti-physics. I’m not anti-physics. Calories don’t give you the information to improve your diet.” ⚡️ Dr Giles Yeo is a geneticist at Cambridge University specialising in obesity and how our brain controls food intake. He’s also the author of ‘Why Calories Don't Count’ and ‘Gene Eating’. ⚡️ In this episode Giles and I dig into the science of genetics and hunger hormones and why some people struggle with their weight more than others. I also challenge him on the notion that calories don’t count. 🎧 Stay tuned to find out: ➡︎ How over 1000 genes are involved in body weight and controlling your appetite ➡︎ Why obesity isn’t a moral failing and should be thought of as a disease ➡ The huge variety in how different ethnicities are impacted by obesity ➡︎ What exactly “calories don’t count” really means ➡︎ Why fad diets should be ignored and how to find the diet that works for YOU 📕 Chapters (1:29) Obesity is not a moral failing (4:01) Is obesity a disease? (6:00) The role of genetics (8:39) Obesity phenotypes (10:59) Best diet for weight loss? (13:14) Where’s the data coming from? (15:44) How different ethnicities are affected by obesity (20:02) Calories don’t count? (24:34) The truth about ozempic (26:49) Hungry hormones (30:11) Not all calories are the same (32:09) How poverty affects obesity (34:14) Environment v genetics (36:19) Reframe the blame (39:16) Do we need policy change? (43:18) Our outdated biology (49:04) Does taste affect weight gain? (53:59) The microbiome (58:07) How to take action 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Giles: Instagram: https://www.instagram.com/gilesyeo/ X: https://x.com/GilesYeo  📕 Grab Giles’ book here: https://amzn.eu/d/hoAnVLr  🔥 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.

Chris Van Tulleken, a BBC broadcaster and author of "Ultra Processed People," joins to tackle the complex world of ultra-processed foods (UPFs). He explores whether we should fear these foods or embrace their practicality. The discussion reveals how food companies hook us on additives and why it’s not solely our fault. They also contemplate if adding veggies can counteract UPFs' drawbacks, the potential overblown fears regarding gut health, and even the surprising benefits UPFs may offer for many. It's a nuanced conversation about modern eating habits!