⚡ Women’s health issues have been ignored for so long - but science is finally catching up. The problem is, the message still hasn’t reached everyone. That’s why I’m doing a deep dive into the real science of hormone health, birth control, fertility and the menopause.
💬 In this episode of the podcast, I offer practical and actionable advice on each of these important areas of female health, featuring a range of expert voices from past interviews, including:
⭐ Fertility expert Ro Huntriss
⭐ OB/GYN and NYT Bestselling author Dr Jen Gunter
⭐ Female health dietician Cory Ruth
⭐ Endometriosis expert Dr Jill Ingenito
⭐ Head Nutritionist at ZOE, Dr Federica Amati
🎧 Stay tuned to find out:
➡ How hormones are MEANT to be dynamic and fluctuate
➡︎ How different types of birth control work and why you shouldn’t fear it
➡︎ What a “fertility diet” actually looks like (and the supplements that help)
➡︎ Why MEN are just as big a part of the fertility puzzle as women
➡︎ Why the menopause is the START of the journey, not the end
#DrKaran, #MedicalScience, #HealthEducation, #HealthTips, #WomensHealth, #HormoneHealth, #Fertility, #BirthControl, #Menopause, #DrKaranExplores, #FemaleHealth, #HormoneBalance, #Nutrition, #MedicalScience
Don't miss an episode! Subscribe NOW: https://www.youtube.com/@DrKaran?sub_confirmation=1
📕 Chapters
(00:00) Intro
(00:20) The knowledge gap in female health
(06:25) The truth about birth control
(11:37) What really impacts fertility
(25:42) A new story about the menopause
🔥 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
💊 Sign up to the wait list for my new fibre supplement LOAM - https://loamscience.com/password
🎙️ An OG Podcasts production.
⚡ About Dr Karan:
Dr. Karan Rajan is a doctor, author, and educator dedicated to making health and medical science accessible to all. Through evidence-based analysis, he addresses topics such as gut health, brain health, and healthy lifestyle choices, while dispelling common medical myths with a touch of dark humor. His content provides reliable, research-driven insights designed to inform and empower viewers to better understand their health.
📱 Follow Dr Karan:
Instagram: https://www.instagram.com/drkaranrajan/
Facebook: https://www.facebook.com/DrKaranR/
TikTok: https://www.tiktok.com/@dr.karanr
⚡ Is fasting really a magic solution for weight loss? Some people argue it’s just a good way of cutting calories, while others say its benefits go far beyond that. But what does the science say? From fat loss, to appetite regulation and gut health improvements, I explore the good (and the bad) of fasting for health.
💬 In this special solo episode of the podcast, I also discuss the growing concern of microplastics. These tiny particles are everywhere, including our bodies - and they could be harmful to our health. So I talk through solutions on how to minimise your exposure. And I also tackle visceral fat - why it’s harmful and how to get rid of it.
🎧 Stay tuned to find out:
➡ Why fasting can help metabolic health but isn’t a magic bullet
➡︎ How fasting affects gut health, bloating, and your appetite hormones
➡︎ Why microplastics trigger inflammation and oxidative stress
➡︎ Foods and habits that help your body flush out microplastics
➡︎ The most effective habits to eliminate dangerous visceral fat
#DrKaran, #MedicalScience, #HealthEducation, #HealthTips, #Fasting, #IntermittenFasting, #TimeRestrictedEating, #GutHealth, #AppetiteSupression, #Microplastics, #VisceralFat, #BodyFat, #StubbornFat, #ExerciseScience
Don't miss an episode! Subscribe NOW: https://www.youtube.com/@DrKaran?sub_confirmation=1
📕 Chapters
(00:00) Intro
(01:26) Why fasting is good for your body
(09:29) How bad are microplastics for your health?
(15:34) How to get rid of visceral fat
🔥 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
💊 Sign up to the wait list for my new fibre supplement LOAM - https://loamscience.com/password
🎙️ An OG Podcasts production.
⚡ About Dr Karan:
Dr. Karan Rajan is a doctor, author, and educator dedicated to making health and medical science accessible to all. Through evidence-based analysis, he addresses topics such as gut health, brain health, and healthy lifestyle choices, while dispelling common medical myths with a touch of dark humor. His content provides reliable, research-driven insights designed to inform and empower viewers to better understand their health.
📱 Follow Dr Karan:
Instagram: https://www.instagram.com/drkaranrajan/
Facebook: https://www.facebook.com/DrKaranR/
TikTok: https://www.tiktok.com/@dr.karanr
⚡ Have we got ultra-processed food wrong? Is the old term “junk food” a better measure of health? It’s clear our current food environment is not just damaging our health, but the planet too. But James Collier argues ultra-processed food needs to be part of the solution.
💬 James is the co-founder of Huel and former NHS dietitian. He’s also the author of Well Fed. In the book he outlines how modern diets are failing us and what we can do about it. And in this episode he takes us through
🎧 Stay tuned to find out:
➡ Why the ethics of food choice, waste and sustainability is so important
➡︎ The five pillars of contemplative nutrition - and how to integrate them into your life
➡︎ Whether Huel is an ultra-processed food (and does that matter?)
➡︎ What the future of food looks like, from lab-grown meat to insect protein
➡︎ How 30% of global greenhouse gas emissions come from what we eat
📕 Chapters
(00:00) Why isn’t the food system sustainable?
(05:00) Is it just better to be vegan / vegetarian for health and planet?
(07:28) The core tenants of contemplative nutrition
(09:45) Is Huel an ultra-processed food?
(17:16) How ultra processing and convenience might be a benefit
(20:36) The future of lab-grown meat
(26:44) Insect food - will it go mainstream?
(30:19) James’ vision of the future
📱 Connect with me:
TikTok: https://www.instagram.com/drkaranrajan
YouTube: https://www.youtube.com/@DrKaran
Instagram: https://www.tiktok.com/@dr.karanr
📱 Connect with James:
LinkedIn: https://uk.linkedin.com/in/jamescollierrnutr
Instagram: https://www.instagram.com/jamescollierrnutr/
🔥 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.
⚡ Clever marketing tactics can often shift us away from what’s important - as advertisers look for fresh ways to exploit our psychology. So, when it comes to your health, how do you stay savvy in a world which is pulling your attention in the wrong direction?
💬 Rory Sutherland is one of the world’s foremost experts on marketing and human behaviour. He’s an author, columnist and Vice Chairman of the Ogilvy advertising company. He guides us through the inner workings of the human mind - and we’re not as logical as we think.
🎧 Stay tuned to find out:
➡ Why the human brain is susceptible to certain marketing tactics
➡︎ Why protein beat fibre to become the posterboy for health
➡︎ How the microbiome has been hijacked by marketers
➡︎ Why habit stacking can health you stick to your health goals
➡︎ How narratives can be flipped to a marketer’s advantage
📕 Chapters
(0:00) The invisible tricks used by marketers
(6:02) Protein v Fibre: A marketing battle
(11:12) Hijacking the microbiome to sell health products
(20:59) Placebo effect of health products: The science of skeuomorphism
(27:39) What you really need to know about marketing tactics
📱 Connect with me:
TikTok: https://www.instagram.com/drkaranrajan
YouTube: https://www.youtube.com/@DrKaran
Instagram: https://www.tiktok.com/@dr.karanr
📱 Connect with Rory:
YouTube: https://www.youtube.com/@RorySutherland-UK/
TikTok: https://www.tiktok.com/@rorysutherlandclips
X: https://x.com/rorysutherland
🔥 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.
⚡ Creatine isn’t just for bodybuilders - it’s an incredible supplement for just about everyone. It’s a staple for people who want to build muscle, but new research also shows surprising links to brain and heart health.
💬 In a special solo episode of the podcast, I explain just how amazing creatine is - and bust the biggest myths about its safety. I also take an unconventional look at skincare through the lens of the microbiome and gut-skin axis. And I explore the growing trend of people microdosing Ozempic and other weight loss drugs.
🎧 Stay tuned to find out:
➡ Exactly how to use creatine - and why its benefits extend beyond muscle
➡︎ Whether creatine really does cause hair loss, kidney problems and dehydration
➡︎ Why using fewer products is better for your skin - plus minimalist routine tips
➡︎ How skin health is directly tied gut inflammation
➡︎ Why microdosing GLP-1s is probably not as useful as you’d think
#DrKaran #MedicalScience #HealthEducation #HealthTips #Creatine #MuscleGain # BrainHealth #HeartHealth #SkinCareRoutine #GutHealth #Microbiome #Ozempic #Semaglutide #GLP-1 #Wegovy
Don't miss an episode! Subscribe NOW: https://www.youtube.com/@DrKaran?sub_confirmation=1
📕 Chapters
(00:00) Intro
(00:48) How to use creatine
(16:11) Rethinking skin care
(30:38) Microdosing Ozempic
🔥 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
💊 Sign up to the wait list for my new fibre supplement LOAM - https://loamscience.com/password
🎙️ An OG Podcasts production.
⚡ About Dr Karan:
Dr. Karan Rajan is a doctor, author, and educator dedicated to making health and medical science accessible to all. Through evidence-based analysis, he addresses topics such as gut health, brain health, and healthy lifestyle choices, while dispelling common medical myths with a touch of dark humor. His content provides reliable, research-driven insights designed to inform and empower viewers to better understand their health.
📱 Follow Dr Karan:
Instagram: https://www.instagram.com/drkaranrajan/
Facebook: https://www.facebook.com/DrKaranR/
TikTok: https://www.tiktok.com/@dr.karanr
⚡ The US Government has made waves suggesting Tylenol, aka paracetamol, causes autism. President Donald Trump publicly warned pregnant women to avoid the common pain-killer, even urging them to “tough it out” if they have a fever. But what are they basing this information on? Is there even an ounce of truth in the claim?
💬 In a special solo episode of the podcast, I address the Tylenol controversy and explore why Trump’s advice is dangerous for pregnant women. I also look at the growing health trend of matcha tea, and whether its purported benefits line up with the science. Plus I offer a good brain health guide - exploring the factors you can address now to improve your brain and stave off dementia.
🎧 Stay tuned to find out:
➡ Where the autism/Tylenol claim comes from - and why its not reliable
➡︎ How untreated fever poses way more risk to a fetus than Tylenol
➡︎ Which components give Matcha its health benefits - including fiber and antioxidants
➡︎ The type of Matcha you should choose (and what to avoid)
➡︎ The 14 lifestyle factors that improve brain health and reduce dementia risk
#DrKaran #MedicalScience #HealthEducation #HealthTips #Tylenol #DonaldTrump #Paracetamol #Autism #ADHD #Matcha #MatchaTea #Fiber #Antioxidants #BrainHealth #Dementia #Alzheimers
#Creatine #MuscleGain # BrainHealth #HeartHealth #SkinCareRoutine #GutHealth #Microbiome #Ozempic #Semaglutide #GLP-1 #Wegovy
Don't miss an episode! Subscribe NOW: https://www.youtube.com/@DrKaran?sub_confirmation=1
📕 Chapters
(00:00) Intro
(01:06) Tylenol and autism
(11:39) Health benefits of matcha tea
(24:14) A guide to brain health
🔥 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
💊 Sign up to the wait list for my new fibre supplement LOAM - https://loamscience.com/password
🎙️ An OG Podcasts production.
⚡ About Dr Karan:
Dr. Karan Rajan is a doctor, author, and educator dedicated to making health and medical science accessible to all. Through evidence-based analysis, he addresses topics such as gut health, brain health, and healthy lifestyle choices, while dispelling common medical myths with a touch of dark humor. His content provides reliable, research-driven insights designed to inform and empower viewers to better understand their health.
📱 Follow Dr Karan:
Instagram: https://www.instagram.com/drkaranrajan/
Facebook: https://www.facebook.com/DrKaranR/
TikTok: https://www.tiktok.com/@dr.karanr
⚡ Most of us have experienced back pain at some point in our lives. As we sit more and move less, it’s becoming increasingly common. So how do we fix it? And what are the major things we need to avoid doing to have a healthy spine into old age?
💬 Dr Stuart McGill is the “Back Mechanic” - here to fix our backs with evidence-backed science. He’s a renowned Professor Emeritus of Spine Biomechanics at the University of Waterloo - and the author of multiple books on the subject.
🎧 Stay tuned to find out:
➡ Why all instances of back pain have a root cause - and should be assessed
➡︎ The biomechanics of the spine and what can go wrong
➡︎ Why deadlifts might be bad for your back - and what exercises to do instead
➡︎ Why tummy lays might be better than hanging for back health
➡︎ How different spine types affect back pain - and the trade-offs they pose
📕 Chapters
(0:00) Does back pain always have a root cause?
(1:18) What are we doing to damage our spine health?
(8:35) Is the human body just prone to back pain?
(14:46) Why lower back pain is so common
(17:53) Is mild back pain cause for concern?
(20:37) Are deadlifts bad for back health?
(33:10) Should you be hanging from a bar?
(35:08) Is it better to sleep on a futon/hard surface?
(38:20) The Back Mechanic book
📱 Connect with me:
TikTok: https://www.instagram.com/drkaranrajan
YouTube: https://www.youtube.com/@DrKaran
Instagram: https://www.tiktok.com/@dr.karanr
📱 Connect with Stuart:
Website: https://www.backfitpro.com/
Instagram: https://www.instagram.com/backfitpro/
🔥 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.
⚡ Why is everyone so obsessed with protein at the moment - and do we really need as much of it as the fitness gurus claim?
💬 In a special solo episode of the podcast, I tackle this and more. Guided by science and the latest research, I offer actionable advice for anyone who’s confused by the protein craze. I also dig into the science of collagen supplements - are they more hype than health? And I explain why walking is the king of exercises.
🎧 Stay tuned to find out:
➡ Why gym-bro protein recommendations are overkill - and how much you really need
➡︎ The link between too much protein and chronic health conditions
➡︎ Why the science on collagen supplements is weak across the board
➡︎ A better way to improve your skin, hair, joint and bone health
➡︎ Why regular walking is better than short bouts of intense weight lifting or sprints
#DrKaran #MedicalScience #HealthEducation #HealthTips #protein #proteinmyths #collagen #walking #exercise
Don't miss an episode! Subscribe NOW: https://www.youtube.com/@DrKaran?sub_confirmation=1
📕 Chapters
(00:00) Intro
(00:50) Protein: myth vs reality
(13:17) Collagen: hype or health?
(24:12) Walking: The king of exercise
🔥 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
💊 Sign up to the wait list for my new fibre supplement LOAM - https://loamscience.com/password
🎙️ An OG Podcasts production.
⚡ About Dr Karan:
Dr. Karan Rajan is a doctor, author, and educator dedicated to making health and medical science accessible to all. Through evidence-based analysis, he addresses topics such as gut health, brain health, and healthy lifestyle choices, while dispelling common medical myths with a touch of dark humor. His content provides reliable, research-driven insights designed to inform and empower viewers to better understand their health.
📱 Follow Dr Karan:
Instagram: https://www.instagram.com/drkaranrajan/
Facebook: https://www.facebook.com/DrKaranR/
TikTok: https://www.tiktok.com/@dr.karanr
⚡ I am up to something huge. My brand new fibre supplement is almost ready - and I can’t wait for it to be in your hands. This is the most detailed look yet at what I’ve been up to for the past 2 years.
Want to know more about your favourite Doctor?
💬 The roles are reversed in this episode, as my producer Ollie Guillou interviews ME. We chat about how I got started in medicine and content creation, the benefits of fibre and why it’s the most underhyped nutrient right now, what I’m doing differently with my new fibre supplement LOAM, and how I see the future of microbiome research shaping up.
🎧 Stay tuned to find out:
➡ Why I began making videos on YouTube - and what it was like when I first went viral
➡︎ The challenges of moving from medicine to starting a supplement company
➡︎ My own struggles with low fibre intake and why I now eat 50g a day
➡︎ Why today’s fibre supplements are lacking - and what LOAM does to fix this
➡︎ How to make simple but tasty high-fibre snacks
📕 Chapters
(0:00) How stress affects the gut
(1:10) How did it all begin for Dr Karan?
(6:05) What did his parents think when he started on YouTube?
(8:22) Blowing up on TikTok
(10:05) Do patients ever recognise him?
(11:30) The hard moments Dr Karan has faced in medicine
(14:45) Why Dr Karan LOVES fibre
(20:01) The origins of LOAM: Why Dr Karan’s making his own fibre supplement
(27:51) How fibre changed Dr Karan’s health
(31:12) Why fibre is a silent killer
(34:20) DIY fibre dessert inspiration
(36:14) Making LOAM an enjoyable supplement experience
(45:51) Calorie content of LOAM - does it help with weight loss?
(47:37) Why Dr Karan’s dad threw a slipper at him
(48:55) The future of microbiome research
(52:12) Microplastics and the gut
(54:16) Who needs a fibre supplement?
(57:16) When is LOAM ready?
(1:00:19) What does success look like for Dr Karan?
📱 Connect with me:
TikTok: https://www.instagram.com/drkaranrajan
YouTube: https://www.youtube.com/@DrKaran
Instagram: 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
💊 Sign up to the wait list for my new fibre supplement LOAM - https://loamscience.com/password
🎙️ An OG Podcasts production.
⚡ Stress may be the cause of your gut problems. This might be emotional stress, or even physical stress - in fact, worrying about things can even cause problems for your tummy! So what can you do about it?
💬 Dr Emeran Mayer is gastroenterologist and brain-gut microbiome expert. He’s also Executive director of the UCLA Oppenheimer Center for the Neurobiology of Stress. In this episode he explores the science behind the stress/gut connection. And he digs into issues from chronic pain, to rising cases of SIBO.
🎧 Stay tuned to find out:
➡ How various forms of stress - and even the expectation of stress - impact your gut
➡︎ How gut disorders can be linked to early life trauma
➡︎ The true extent to which gut bugs control how you behave
➡︎ How you can improve chronic pain symptoms with targeted gut action
➡︎ The real reason SIBO (small bacterial overgrowth) is on the rise
📕 Chapters
(0:00) How stress affects the gut
(2:03) The chronic pain-gut link
(5:00) How quickly can microbes influence the brain?
(7:12) Stress: Is the brain or gut more responsible?
(9:14) How worrying can cause gut problems
(11:57) The role of childhood and early life trauma on gut health
(15:16) Do tummy bugs control our behaviour?
(18:38) The importance of personal connection and sharing microbes
(21:33) How to reduce chronic pain symptoms
(27:56) Improving brain health by eating more fibre
(31:58) SIBO - the new buzzword. Hype or health?
📱 Connect with me:
TikTok: https://www.instagram.com/drkaranrajan
YouTube: https://www.youtube.com/@DrKaran
Instagram: https://www.tiktok.com/@dr.karanr
📱 Connect with Emeran
Instagram: https://www.instagram.com/emeranmayer/
Website: https://emeranmayer.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.
⚡ Are men’s health issues being ignored? With the rise of the “manosphere”, poor male role models and increasing focus on the harm men cause - one activist argues we’ve begun to see men as the enemy, and it’s costing us.
💬 George, known as TheTinMen online, is a men’s health activist. He tackles issues where he feels men are being let down by society - everything from domestic violence to suicide prevention. His view is that men’s physical and mental health is not being taken seriously - and it’s doing them a massive disservice.
🎧 Stay tuned to find out:
➡︎ Why being a man is the biggest predictor for early death
➡︎ Why the term manosphere has become “meaningless”
➡ Why the world is lacking good male role models - and where to actually find them
➡︎ How 91% of men who died of suicide already saught help first
➡︎ Why Adolescence did a bad job of portraying the manosphere
📕 Chapters
(0:00) Intro
(3:12) What is the manosphere?
(7:31) Did Netflix’s Adolescence get it right?
(9:46) Why the manosphere has exploded
(12:06) Why fathers are so important
(16:51) Are there any good male role models out there?
(24:43) The power dynamic between men and women
(27:40) Does men’s health get enough attention?
(35:51) Why suicide prevention isn’t working for men
(38:54) The issue with Movember - where is the money going?
(43:47) Male body image
(46:50) How female role models influence men
(51:36) Kids watch your every move
📱 Connect with me:
TikTok: https://www.instagram.com/drkaranrajan
YouTube: https://www.youtube.com/@DrKaran
Instagram: https://www.tiktok.com/@dr.karanr
📱 Connect with TheTinMen:
Instagram: https://www.instagram.com/thetinmen/
YouTube: https://www.youtube.com/@thetinmenblog
🔥 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 want a big, healthy and young brain - there is a simple solution that can add years to your life.
💬 Neuroscientist Dr Ben Rein explains why social connection, chatting to strangers and seeing your friends is essential for brain health - and can literally make it bigger. He also discusses the brain benefits of pets, the science of empathy and more.
🎧 Stay tuned to find out:
➡ How pets hijack our brain systems in the best possible way
➡︎ How an ‘epidemic of loneliness’ is fueling conditions like dementia and heart disease
➡︎ How online interactions and AI chatbots impact brain chemistry
➡︎ Where empathy comes from and how to get more of it
➡︎ The science of awe and whether free will exists
📕 Chapters
(0:00) Intro
(0:36) Why our brains need friends
(2:15) The neuroscience of empathy
(5:52) Are pets good for brain health?
(10:33) Do animals have empathy too?
(12:05) Are WE good for our pets brains?
(13:36) Why animals love music
(15:28) How ‘super-agers’ keep their brains healthy
(20:01) Do virtual chats also help brain health?
(22:44) How social connection reduces dementia risk
(26:27) What AI chatbots are doing to our brains
(30:33) The science of awe and wonder
(33:07) How to make your life feel longer
(36:44) Empathy and mirror neurons
(40:18) Does free will exist?
(46:22) How to become more empathetic
📱 Connect with me:
TikTok: https://www.instagram.com/drkaranrajan
YouTube: https://www.youtube.com/@DrKaran
Instagram: https://www.tiktok.com/@dr.karanr
📱 Connect with Ben:
Instagram: https://www.instagram.com/dr.benrein/
YouTube: https://www.youtube.com/c/benrein
Website: https://www.benrein.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.
⚡ ️Gut health is an absolute minefield. Trying to figure out what works best to protect your gut is becoming increasingly complex - but it doesn’t have to be. The science is pretty clear and in this episode we break down the simplest measures you can take for a healthy gut.
💬 Dr Emily Leeming is a gut health dietician and author of Genius Gut. And she’s currently running a very important trial at King’s College London - looking at the link between the gut microbiome and bowel cancer risk.
🎧 Stay tuned to find out:
➡ Whether microbiome tests are worth your money (and what to do instead)
➡︎ How bowel cancer is on the rise in under 50s (and why fibre is the solution)
➡︎ Why you need to spend more time studying your poop
➡︎ Whether microplastics are really damaging your gut health
➡︎ Where gut health meets neuroscience
📕 Chapters
(0:00) Intro
(0:37) Best way to get on top of your gut health
(1:24) Why microbiome tests are a waste of money
(10:12) Emily’s KCL study on bowel cancer
(20:46) The effect of microplastics on gut health
(26:47) Gut factors that are out of your control
(32:21) Your gut health starts in your mouth
(35:36) Researching non-industralised microbiomes
(40:22) How your gut affects your brain
📱 Connect with me:
TikTok: https://www.instagram.com/drkaranrajan
YouTube: https://www.youtube.com/@DrKaran
Instagram: https://www.tiktok.com/@dr.karanr
📱 Connect with Emily:
Instagram: https://www.instagram.com/dremilyleeming/
Website: https://www.emilyleeming.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.
⚡️Autism, ADHD and anxiety are on the rise in children - but there is a way to rewire our kids’ brains and even reverse symptoms of these conditions…if we get in early enough. But how?
💬 Trenna Sutcliffe is a developmental-behavioural pediatrician at Sutcliffe Clinic. She helps parents navigate neurodevelopmental conditions and build mentally resilient children. She says the work must start young - and shares key tools and techniques that parents can implement.
🎧 Stay tuned to find out:
➡ Why ADHD and autism is really on the rise - and how much of it is genetics
➡︎ The science of neuroplasticity and why the first 7 years of a child’s life are crucial
➡︎ Just how closely linked screentime is to worsening ADHD symptoms
➡︎ Why educational spaces simply don’t work for some children
➡︎ Why autism is regularly missed in girls
📕 Chapters
(3:15) Why are ADHD and autism on the rise?
(6:48) How much is genetically driven?
(9:31) How the environment influences brain health
(18:46) Diet & microbiome effects on neurodivergence
(22:46) How worried should we be about screentime?
(29:05) Why schools aren’t set up right
(34:34) What you should do for your kids in their first 7 years
(38:48) Why autism is often missed in girls
(42:03) Lower rates of autism in ethnic minorities
(43:41) Trenna’s top tips for raising healthy kids
📱 Connect with me:
TikTok: https://www.instagram.com/drkaranrajan
YouTube: https://www.youtube.com/@DrKaran
Instagram: https://www.tiktok.com/@dr.karanr
📱 Connect with Trenna:
Website: https://www.sutcliffeclinic.com/trenna-sutcliffe
LinkedIn: https://www.linkedin.com/in/trenna-sutcliffe-463001b2/
🔥 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.
💬 Jens Walter is a gut health expert at APC Microbiome Ireland, one of the leading microbiome centres in the world - and helped develop the Non-industrialised Microbiome Restore (NiMe) diet.
⚡️In this episode, Jens and I discuss how our microbiomes have been shaped throughout human history - and the foods we can eat to make our healthy microbes flourish.
🎧 Stay tuned to find out:
➡︎ Just how different our guts are from indigenous communities and our early ancestors
➡︎ What the NiMe diet is and how it can supercharge your gut health
➡︎ Why community and culture is just as important as food for gut health
➡︎ Why some of our gut microbes have gone extinct
➡︎ How pairing meat with the right kind of fibre can increase its benefits
📕 Chapters
(00:43) How industrialisation has changed our microbiome
(02:18) Do personalised diets work for gut health?
(05:52) Emerging gut microbe research
(07:27) How sharing microbes in communities improves gut health
(12:56) Combining the benefits of Western and indigenous lifestyles
(15:01) How different our guts are from ancient humans
(18:15) Can we regain extinct microbes?
(21:35) Exploring the Yanomami tribe
(24:11) The NiMe diet
(27:14) Should we cut out all dairy?
(30:01) Balance vs restriction
(32:23) Benefits of pairing fibre with meat
(35:27) Best resistant starches to eat
(38:36) Ancient vegetables: Are they better for us?
📱 Connect with me:
Instagram: https://www.instagram.com/drkaranrajan
YouTube: https://www.youtube.com/@DrKaran
TikTok: https://www.tiktok.com/@dr.karanr
📱 Connect with Jens Walter:
LinkedIn: https://www.linkedin.com/in/jens-walter-b1a1127a/
🔥 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 Spencer Nadolsky is an obesity and lipid specialist, and an expert in GLP-1 care. He’s also the co-host of the Docs Who Lift podcast.
⚡️In this episode Spencer and I discuss emerging research around weight loss injections tirzepatide and semaglutide, known as Ozempic, Wegovy and Mounjaro - and discuss the proper use of these drugs.
🎧 Stay tuned to find out:
➡︎ Why old restrictions on weight loss drugs are no longer being enforced
➡ How a combo of GLP-1 and GIP may be even more revolutionary for weight loss
➡︎ Why most people have to take these drugs for life
➡︎ Why people get so angry when people lose weight on GLP-1s
➡︎ How GLP-1 drugs are going to make weight-loss surgery extinct
📕 Chapters
(0:41) The non-weight loss benefits from GLP-1 use
(4:55) Getting the dosage right
(7:24) Drugs of the future
(11:09) How to get started on a weight-loss injection
(16:38) Why restrictions on weight loss drugs are being lifted
(19:46) Why people get mad about GLP-1 use
(23:57) Do you have to take these drugs for life?
(27:55) Do fat cells have memory?
(29:25) What if you want to stop GLP-1 use?
(31:48) The mental health drawbacks of weight loss drugs
(35:44) Unique insights from Spencer’s time with patients
(38:47) Is excessive muscle loss really a big problem?
(42:46) Should everyone be taking GLP-1s?
(45:14) Will weight loss surgeries go extinct?
(49:11) GLP supplements are a scam
📱 Connect with me:
TikTok: https://www.instagram.com/drkaranrajan
YouTube: https://www.youtube.com/@DrKaran
Instagram: https://www.tiktok.com/@dr.karanr
📱 Connect with Spencer:
Instagram: https://www.instagram.com/drnadolsky/
🔥 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.
💬 Ro Huntriss is a world-leading fertility expert, recently crowned ‘Best Fertility Dietitian’ by The European Fertility Society. She has extensive experience in women’s health and is also the author of Deliciously Healthy Fertility.
⚡️In this episode Ro and I discuss the incredible power we have to influence our own ability to conceive (for both women and men) and improve the health outcomes of our children - simply by focusing on the food we eat.
🎧 Stay tuned to find out:
➡ Fertility friendly foods - and what to avoid for better conception
➡︎ What DNA fragmentation has to do with male fertility and sperm quality
➡︎ About the rise of ‘Ozempic babies’ and how GLP-1 agonists impact fertility
➡︎ The evolving role of microbiome research in fertility
➡︎ Which supplements actually work
📕 Chapters
(0:41) Fertility award winner
(1:51) How men are involved in fertility
(4:44) Why is infertility so common?
(6:34) Fertility friendly foods
(8:18) Dietary reasons for low fertility
(10:09) Fertility and the microbiome
(18:14) Supplements for fertility
(24:14) Testing your fertility
(28:43) How your diet improves your child’s long-term health
(30:36) Advice for chronic conditions like endometriosis
(35:52) Ozempic babies
(40:29) Dr Karan’s Ozempic prediction
(42:38) What you should STOP doing for fertility
(45:24) Diet impact on pregnancy related complications
(47:00) Improving fertility can be simple
📱 Connect with me:
TikTok: https://www.instagram.com/drkaranrajan
YouTube: https://www.youtube.com/@DrKaran
Instagram: https://www.tiktok.com/@dr.karanr
📱 Connect with Ro:
Instagram: https://www.instagram.com/dietitianro/
Website: https://dietitianro.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.
💬 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/drkaranrajan
YouTube: https://www.youtube.com/@DrKaran
TikTok: https://www.tiktok.com/@dr.karanr
📱 Connect with Dr Megan Rossi:
Instagram: https://www.instagram.com/theguthealthdoctor
TikTok: 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/drkaranrajan
YouTube: 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/drkaranrajan
YouTube: https://www.youtube.com/@DrKaran
TikTok: https://www.tiktok.com/@dr.karanr
📱 Connect with Dr Giles Yeo:
Instagram: https://www.instagram.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.