11 episodes

Join Dr Karan, TikTok's favourite General Surgeon, as he meets the world's foremost experts in science and medicine to cut through the BS of modern health advice.

Dr Karan Explores OG Podcasts

    • Health & Fitness

Join Dr Karan, TikTok's favourite General Surgeon, as he meets the world's foremost experts in science and medicine to cut through the BS of modern health advice.

    Exposing the Biggest Lies in Nutrition - Alan Flanagan

    Exposing the Biggest Lies in Nutrition - Alan Flanagan

    “We have, because of the nature of our information landscape now, essentially zero capacity to hold any accountability to sources of misinformation. So it's a really terrible time to be an evidence-based healthcare professional.” -Dr Alan Flanagan

    Dr Alan Flanagan is a major myth buster in the nutrition space, holding an MSc and PhD in nutrition from the University of Surrey.

    In this episode Alan and I debunk common nutrition advice you might be following, and explain the dangerous real life impact online influencers and “gurus” are having on your health.

    Stay tuned to find out:


    The dangers of following extreme diets like keto and carnivore
    Why you don’t need to be worried about glucose spikes
    The limitations of personalised nutrition and microbiome research
    Why sweeteners and seed oils have been wrongly demonised
    How to spot a charlatan online

    Chapters

    (2:12) Real life consequences of misinformation

    (8:00) Why people look to online “gurus”

    (13:17) Personalised nutrition con

    (20:36) Continuous glucose monitors

    (26:59) Seed oils are healthy!

    (32:50) Artificial sweeteners

    (39:49) Cancer misinformation

    (45:18) Does the time you eat matter?

    (49:22) Microbiome research

    (54:21) How to spot a charlatan online

    Connect with me:

    TikTok: https://www.instagram.com/drkaranrajan

    Instagram: https://www.tiktok.com/@dr.karanr

    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.

    • 57 min
    Ancient Wisdom for Modern Pleasure: The Real Kama Sutra - Seema Anand

    Ancient Wisdom for Modern Pleasure: The Real Kama Sutra - Seema Anand

    “The human body is made for pleasure. Every bit of your body can give you an intense amount of pleasure. It just depends on how you treat it” -Seema Anand

    Seema Anand is an expert in sexual health and pleasure and an authority on the ancient Indian text the Kama Sutra.

    In this episode Seema and I break the taboo around sex and she explains how people can find a deeper sense of pleasure and sexual satisfaction in their relationships.

    Stay tuned to find out:


    The real meaning of the Kama Sutra and what it teaches us about sexual pleasure
    How to start exploring your own pleasure senses
    Why you should listen to erotic podcasts instead of watching porn
    How to actually satisfy your partner in bed

    Chapters

    (2:03) Religion and sex

    (4:51) Truths about the Kama Sutra

    (12:09) The orgasm gap

    (16:19) Increase your pleasure diet

    (26:00) How men can pleasure their partners

    (33:55) How to increase libido

    (36:28) Tackling shame in relationships

    (38:36) Bedroom red flags

    (42:10) “No fap” and other myths

    (46:02) Why we’re having less sex

    Connect with me:

    TikTok: https://www.instagram.com/drkaranrajan

    Instagram: https://www.tiktok.com/@dr.karanr

    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.

    • 50 min
    Minimal Effort, Maximum Gains: Dr Mike Israetel’s Guide to Easy Fitness

    Minimal Effort, Maximum Gains: Dr Mike Israetel’s Guide to Easy Fitness

    “The vegans hate the carnivores. The carnivores hate the keto people. And a lot of these folks are in a battle for a non-existent entity, and that entity is the crowned king of ‘this is the best diet for everyone’.” -Dr Mike Israetel

    Dr Mike Israetel is an exercise scientist, bodybuilder, YouTuber and founder of Renaissance Periodization. He’s known for his no-nonsense, science backed approach to fitness and diet.

    In this episode, I ask Mike just how often and how hard you have to workout for health, and whether there really is one diet that is best for everyone.

    Stay tuned to find out:


    What diet tribes get wrong about good nutrition
    Why you can get away with training a lot less than you think
    The truth behind “calories in, calories out”
    Whether nutrient timing is important
    Why creatine might just be the best supplement around

    Chapters

    (2:00) How little can you workout?

    (10:19) Calories in, calories out

    (18:57) Which diet tribe is right about health?

    (26:25) Are artificial sweeteners bad for you?

    (34:46) Why diet is so individualised

    (40:35) The benefits of creatine

    (47:47) Nutrient timing and protein absorption

    (55:26) Dr Mike’s 4 tenants for success

    Connect with me:

    TikTok: https://www.instagram.com/drkaranrajan

    Instagram: https://www.tiktok.com/@dr.karanr

    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.

    • 58 min
    Why Your Coffee Habit Might Be Better Than You Think - Dr Bryan Saunders

    Why Your Coffee Habit Might Be Better Than You Think - Dr Bryan Saunders

    “If you enjoy coffee, just go and enjoy coffee, and the data in general suggests that actually caffeine or coffee consumption overall is very beneficial for a number of health outcomes.” -Dr Bryan Saunders

    Dr Bryan Saunders is a researcher at the University of São Paulo, who specialises in the study of caffeine, and in particular its effects on exercise performance. He’s co-authored multiple studies on the topic and sheds light on many of the myths that are perpetuated online.

    In this episode, I ask Bryan how caffeine is affecting our bodies, everything from the mechanisms behind its ergogenic effects to the truth behind habitual coffee consumption.

    Stay tuned to find out:


    Whether your morning coffee really is bad for your health
    How caffeine improves exercise performance
    Whether caffeine actually stops affecting you the more you consume it
    If genetic variations mean some people are immune to its effects
    When you need to stop drinking caffeine for a good night’s sleep

    Chapters

    (1:56) Morning coffee effects and your adenosine system

    (8:27) Does caffeine affect habitual coffee drinkers?

    (10:58) Placebo effect of morning cuppa

    (14:29) Non-caffeine benefits of coffee

    (15:40) Boosting exercise performance

    (21:57) The dose you need

    (24:10) Ideal time to consume caffeine

    (25:38) Negative effects of overconsumption

    (30:13) Feeling more TIRED after caffeine?

    (34:23) Do you need a caffeine fast?

    (37:45) Half-life of caffeine and sleep impacts

    (43:34) Long-term physiological effects of caffeine

    (45:33) Differences between coffee beans

    Connect with me:

    TikTok: https://www.instagram.com/drkaranrajan

    Instagram: https://www.tiktok.com/@dr.karanr

    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.

    • 51 min
    What You Weren’t Told About Period Pain - Dr Karen Tang

    What You Weren’t Told About Period Pain - Dr Karen Tang

    “A lot of women's health stuff - there's no easy diagnosis. So very, very often women's health things end up getting put into, you have fibromyalgia, you're a hypochondriac, or something like irritable bowel syndrome.” -Dr Karen Tang

    Dr Karen Tang is a gynaecologist who specialises in the treatment of pelvic pain, endometriosis and fibroids. She also does a great service educating the public on social media, raising awareness of women’s health issues.

    In this episode, I ask Karen how people can figure out what’s causing their pelvic pain, what surprising habits may be causing problems, how patients can better advocate for themselves, and how she’d reimagine sex ed.

    Stay tuned to find out:


    Why “stabbing b******e pain” has gone viral, and what it actually is
    Why endometriosis is so commonly misdiagnosed as IBS
    How female anatomy, especially the uterus, does NOT look like it does in the textbooks
    Why we should teach children the proper names for their reproductive organs
    Why you should get a pelvic floor PT!

    Chapters

    (1:24) Stabbing b******e pain

    (4:36) Endometriosis - more than a pelvic condition

    (6:43) Endo vs IBS

    (8:45) How much pain is too much?

    (10:38) The link between gynaecological conditions

    (13:20) Being proactive about your health

    (16:14) How to advocate for yourself at the doctor’s

    (21:56) Actionable tips for perimenopause/menopause

    (26:04) How to take care of your pelvic floor health

    (31:36) What the uterus actually looks like

    (34:49) Reimagining sex sed

    (36:53) Teaching children about sexual health

    (38:26) The plague of misinformation

    Connect with me:

    TikTok: https://www.instagram.com/drkaranrajan

    Instagram: https://www.tiktok.com/@dr.karanr

    For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”: https://geni.us/DrKaranBookAn OG Podcasts production.

    • 44 min
    The Ultimate Guide to CBD - Dr Jeff Chen

    The Ultimate Guide to CBD - Dr Jeff Chen

    “Like most other herbal medicines, CBD is understudied, unregulated, and often wrongly vilified.” -Dr Jeff Chen

    Dr Jeff Chen is co-founder of Radicle Science and is doing tons of research advancing our understanding of CBD and other herbal remedies.

    In this episode, I ask Jeff about the new science of CBD - both its potential health benefits and challenges. We also explore the promising trials into another cannabis compound - CBN.

    Stay tuned to find out:


    How effective CBD is for sleep, anxiety, pain and more
    How stigma and regulatory hurdles have hampered scientific progress
    What you should be looking for when buying CBD products
    How Radicle’s crowd-sources clinical trials are shedding light on many herbal remedies

    Chapters

    (1:54) What is CBD?

    (3:27) Why herbal remedies are dismissed

    (8:59) Crowd-sorucing data on CBD and CBN

    (14:13) Avoiding bias and determining placebo

    (19:46) Science of the endocannabinoid system

    (25:11) Safety of OTC CBD supplements

    (29:30) Optimal delivery route of CBD

    (33:21) Best cases for CBD in clinical settings

    (36:46) Choosing the right product - an unregulated market

    (48:07) Benefits of lion’s mane mushrooms

    Connect with me:

    TikTok: https://www.instagram.com/drkaranrajan

    Instagram: https://www.tiktok.com/@dr.karanr

    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.

    • 52 min

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