💬 “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!

💬 “There is so much nonsense out there. The harm of brand marketing to the trust of skincare in general is hard to come back from.” ~Dr Muneeb Shah ⚡️ Dr Muneeb Shah, known as the ‘DermDoctor’, is a board certified dermatologist and one of the most followed science-based skinfluencers in the world. ⚡️ In this episode, Muneeb and I dig into the anatomy of the skin and what drives various skin conditions. We also discuss the overblown, unrealistic claims anti-aging skincare brands make - and what actually works to take years off your face. 🎧 Stay tuned to find out: ➡︎ The anatomy of the skin and the role of your gut and diet in skin health ➡︎ The differences between skincare for men and women  ➡ Why skin cancer needs to be taken more seriously ➡︎ How mood and stress can cause flare ups ➡︎ Dr Shah’s exact skincare routine and what you’ll find in his cupboards 📕 Chapters (1:22) Anatomy of the skin (5:28) What affects our skin? (9:33) Differences between men and women (14:41) Common skin conditions (15:46) Skin cancer (21:18) How mood affects skin health (24:56) Gut skin axis (31:29) A cure for BO? (36:33) Diet and skin health (40:44) Is anti-aging a scam? (45:34) How to use retinoids (48:07) The damage of skinfluencers (52:45) Dr Karan is challenged on his routine (59:31) What’s in Dr Shah’s cupboards? 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Muneeb: TikTok: https://www.tiktok.com/@dermdoctor  Instagram: https://www.instagram.com/doctorly/  🔥 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 a 13 year old boy stumbles across pornography, I don't think very many of them are interested in seeing women being gagged or choked or degraded. But that is likely to be what they'll see” -Maree Crabbe ⚡️ Maree Crabbe is the Co-Founder of ‘It’s Time We Talked’, an organisation helping children and young people avoid porn’s influence. She has been interviewing people about porn and its impacts for 15 years. ⚡️ In this episode, Maree and I discuss the sharp rise in violent sexual acts being depicted in mainstream, online pornography - and how that’s crossing over into the bedroom. 🎧 Stay tuned to find out: ➡︎ How hardcore porn is reaching children as young as 9 ➡︎ How strangulation, coercion and deep-throating is becoming more prevalent ➡ Why the industry is increasingly promoting incest, teen and non-consesual themes ➡︎ What too much extreme porn is doing to our sexual health ➡︎ Strategies to reduce or eliminate porn from your life 📕 Chapters (1:11) More young people are watching porn (7:02) Rising aggression in porn (14:19) Is violence what the audience wants? (18:17) Violence in the bedroom (23:20) How porn causes sexual dysfunction (27:31) Is there “good” porn? (31:44) What can we do about porn? (38:25) Improving sex ed (42:17) Body image and rise in surgery (47:17) The problem of deepfake porn (50:02) What about porn stars? (52:21) Are you addicted? 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Maree: Instagram: https://www.instagram.com/mareecrabbe/  Websites: https://itstimewetalked.com/ https://www.breathlesscampaign.com/ https://www.notthenorm.com.au/  🔥 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've seen a marked increase in the amount of food allergy that's around, and it now affects 5% of UK children. Even in the adult population, it's become a major health issue.” -Prof Adam Fox ⚡️ Dr Adam Fox is a professor in paediatric allergy and runs award-winning private practice Allergy London. He’s also vocal on social media, helping people to better understand allergies and the treatments that are available. ⚡️ In this episode, Adam and I find out why allergies are on the rise globally, what the leading risk factors are for developing an allergy, and science-backed ways to reduce symptoms and reactions. 🎧 Stay tuned to find out: ➡︎ A discovery that’s turned the allergy world upside down ➡︎ Why eczema is so closely linked to the risk of developing allergies ➡ The science of the allergy response and why it happens ➡︎ The link between the gut microbiome and rising rates of allergies ➡︎ Why allergy tests are often a waste of time 📕 Chapters (1:02) Why allergies are on the rise (6:36) Science of the allergy response (12:39) May contain traces of… (15:58) Can allergies worsen over time? (17:35) How we outgrow allergies (20:03) Links to microbiome (25:42) Environment and climate change (34:12) Do allergy tests work? (38:03) Allergy v intolerance (43:02) Penicillin allergies (47:48) Sharing allergies with doctors (49:49) Allergy desensitisation (57:47) Strategies to control allergies 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Adam: Instagram: https://www.instagram.com/dradamfox/  Website: https://www.allergylondon.com/  References: https://www.imperial.ac.uk/news/255793/food-allergy-doubles-uk-over-last/  🔥 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.

💬 “Death is not a dirty word. You can say it. You can say he's dying. You can say they've died.” -Julie McFadden  ⚡️ Julie McFadden, known as Hospice Nurse Julie on social media, uses her firsthand knowledge and experience to alleviate the fear and stigma around death and dying. It’s the subject of her new book “Nothing to Fear”. ⚡️ In this episode, Julie and I explore why we should be talking about death more, so we can stop fearing it and start living our lives more fully. 🎧 Stay tuned to find out: ➡︎ What happens to the body in the lead up to death ➡︎ Why death isn’t the worst outcome - suffering is ➡ Why most people are wrong about hospice care ➡︎ The strange deathbed phenomena Julie sees more commonly than you’d think ➡︎ How to learn from people’s most common deathbed regrets 📕 Chapters (1:03) Why we fear death (4:23) Why we need to talk about death (6:55) Cultural and religious traditions (9:39) The science of dying (14:36) Misconceptions about palliative care (16:58) Death is not the worst outcome (21:44) Death is not a dirty word (26:49) Strange deathbed phenomena (30:06) How to have a good death (33:19) Worst diseases to die from (37:55) Preparing for death (40:57) Deathbed regrets (44:14) Faith and religion (45:42) One thing everyone should know about death 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Julie: Instagram: https://www.instagram.com/hospicenursejulie/  Website: https://www.hospicenursejulie.com/  📕 Find Julie’s new book ‘Nothing to Fear’ here: https://amzn.eu/d/fSZVYAZ 🔥 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.

Nicole Vignola, a renowned neuroscientist and author of *Rewire*, dives into the science of breaking bad habits and enhancing brain health. She reveals a simple trick to combat smartphone addiction and why mornings are crucial for mental clarity. Discover how exercise can sharpen brain function and why walking quiets fear receptors. Nicole shares insights on reframing negative self-talk and the impact of poor sleep on cognitive performance, equipping listeners with powerful strategies for lasting change and improved happiness.

💬 “Is it something truly in our water, what we eat, the types of stressors that we have in the life that we lead today? It's very challenging to pinpoint.” -Dr Austin Chiang ⚡️ Dr Austin Chiang is a gastroenterologist and well known health influencer. He’s also the author of ‘Gut: An Owner’s Guide’ and is the Chief Medical Officer of Medtronic. ⚡️ In this episode, Austin and I discuss various issues concerning gut health, including the rise in both IBS and colorectal cancer, and what you can do to protect your health. 🎧 Stay tuned to find out: ➡︎ The signs and symptoms of IBS - and why you should always seek professional advice ➡ Why colorectal cancer is set to be the #1 cancer killer among young people ➡︎ How AI is advancing the field of gut health ➡︎ The dangers of colonic irrigation, probiotics and other “gut hacks” ➡︎ The truth about “leaky gut syndrome” 📕 Chapters (1:40) What does the gut do? (6:08) Irritable bowel syndrome (IBS) (13:30) Brain gut connection (15:49) Colorectal cancer rising (21:00) Dangers of gut “detoxes” (23:13) Probiotics (25:29) Leaky gut syndrome (27:24) Taking action on gut health (33:31) AI and tech advancements (37:16) What’s in Austin’s cupboards? (40:09) Three things you should never do 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Austin: Instagram: https://www.instagram.com/austinchiangmd/  Website: http://www.austinchiang.com/  📕 Find Austin’s book ‘Gut: An Owner’s Guide’ here: https://amzn.eu/d/41gEHdO  🔥 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.