💬 “We're chronically online, chronically on our phones and tablets. But we need to spend more time outdoors and playing outside and getting our hands in dirt.” ~Dr Zachary Rubin ⚡️ Dr Zachary Rubin is a pediatric allergist and clinical immunologist, known for hula hooping and sporting a variety of colourful bowties on social media. ⚡ In this episode Zach and I go deep into food and pet allergies - what causes them, how to deal with them, and tips on using nasal sprays and other at home remedies. We also delve into the wildfire situation in LA and find out whether human metapneumovirus really is a pandemic level threat. 🎧 Stay tuned to find out: ➡︎ Why we need to get dirty and stop washing our bodies so much ➡︎ Why at-home food sensitivity tests are a scam! ➡ How to deal with pet allergies so you don’t have to let your furry friend go ➡︎ The truth about HMPV and why a bird flu pandemic is the real concern ➡︎ How the LA wildfires are really impacting human health 📕 Chapters (2:00) Signs you might have a hidden allergy (5:11) The unusual link between certain allergies (7:54) Why you shouldn’t trust food sensitivity tests (11:38) The dangers of oral food allergy challenges (14:59) Dealing with pet allergies (21:19) How to train your immune system (26:58) The next pandemic threat (34:13) Health impact of LA wildfires (38:58) Highlighting the importance of air quality (43:30) Health risks of neti pots and saline rinses (46:22) Best way to use nasal sprays (51:45) Are nasal strips effective? 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Zach: YouTube: https://www.youtube.com/@rubin_allergy Instagram: https://www.instagram.com/rubin_allergy/ 🔥 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 would say [weight loss injections] come pretty close to being health elixirs. Taking these drugs is better for almost everyone, than not taking these drugs.” ~Dr Mike Israetel ⚡️ Returning guest Dr Mike Israetel is a fitness expert with a PhD in Sport Physiology. As the founder of Renaissance Periodization, Mike is known for his science-based approach to training and nutrition. ⚡ In this episode Dr Mike and I bring you a New Years resolution special - with a twist. As we discuss the science of setting realistic goals and sticking to them, a surprising conversation around Ozempic and TRT unfolds. 🎧 Stay tuned to find out: ➡︎ How to create habit loops and why goals should be tailored to small consistent wins ➡︎ Why Mike thinks everyone should be taking Ozempic and weight-loss injections ➡ Whether rising beauty stands are really the problem they’re made out to be ➡︎ What’s going on with the rise in TRT use ➡︎ How we have billionaires to thank for testing out the supplements of tomorrow 📕 Chapters (1:16) The science of habit building for the New Year (6:07) Making goals as easy as possible (10:57) Using weight loss injections for habit forming (15:24) Are the risks of Ozempic worth it if you’re not overweight? (21:46) Should we fear taking Ozempic for life? (30:30) The casual rise of TRT (39:04) Body dysmorphia and rising beauty standards (44:40) Bryan Johnson and anti-ageing influencers 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Mike: YouTube: https://www.youtube.com/@RenaissancePeriodization  Instagram: https://www.instagram.com/drmikeisraetel/  🔥 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.

💬 “ Eye health, your vision, is so much more than just, ‘I think I see well’. There's way more going on.” ~Dr Joseph Allen ⚡️ Dr Joseph Allen, aka Doctor Eye Health, is an optometrist in the US with a massive following on social media, where he shares science-backed ways to protect your eyes. ⚡️ In this episode Joey and I explain why it’s time to get serious about eye health, as poor eyesight is on the rise globally, bringing many other problems with it. 🎧 Stay tuned to find out: ➡︎ Why half of the world is expected to have myopia (nearsightedness) by 2050 ➡︎ How screens are making us blink less (and why that’s bad) ➡ What to do about eyelid twitches, bags and dark circles ➡︎ What foods, diets and supplements work for better vision ➡︎ The best ways to get proactive about your eye health now 📕 Chapters (1:00) Dr Allen’s inspiration (3:45) Do glasses make your eyes worse? (8:40) The myopia epidemic (15:06) Lifestyle changes to improve eye health (17:06) Sunlight and eye health (21:53) Are blue light blocking glasses any good? (26:12) Red and orange lights at night (28:03) Best foods for vision - the carrot myth (32:33) Supplements and eye drops (36:35) Intermittent fasting and eye health (39:45) How to deal with dry eyes (46:58) The 20/20/20 rule (49:00) How stress affects the eye (57:00) When should you get checked out? 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Joseph YouTube: https://www.youtube.com/doctoreyehealth  Instagram: https://www.instagram.com/doctoreyehealth/?hl=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.

💬 “ The mouth is the gateway to the entire body. It's not just about having a cute, pretty, cosmetically nice smile. It really directly impacts your overall health in so many ways.” ~Whitney DiFoggio ⚡️ Whitney DiFoggio, AKA TeethTalkGirl, is a dental hygienist who shares evidence-based dental advice online - while debunking all the misinformation out there. ⚡ In this episode Whitney and I discuss the steps you need to take to build the perfect oral hygiene routine, why so many of us are at risk of issues like gum disease and the truth behind all the wild claims flying around. 🎧 Stay tuned to find out: ➡︎ Why you’re only cleaning 60% of your teeth if you skip out on flossing ➡︎ The science of mouthwash, miswak toothbrushes, water flossing & tonsil stones ➡ Why at-home teeth whitening might be making them more yellow ➡︎ Why it’s crazy to skip out on fluoride in your toothpaste ➡︎ The link between oral health and cognitive decline 📕 Chapters (1:15) How much should you brush? (6:04) Electric vs manual vs natural toothbrushes (11:36) Benefits of xylitol gum (13:14) What toothpaste is the best? (15:10) The anti-fluoride movement (19:46) Mouthwash is dangerous? (23:33) How oral health is connected to overall health (29:48) How tooth loss leads to cognitive decline (33:04) Flossing, useful or not? (40:17) Should you be tongue scraping? (42:28) The rise of teeth whitening (47:25) How often should you get your teeth checked? (49:02)  Whitney's dental routine 📱 Connect with me: TikTok: https://www.instagram.com/drkaranrajan Instagram: https://www.tiktok.com/@dr.karanr 📱 Connect with Whitney: YouTube: https://www.youtube.com/c/TeethTalk/about  Instagram: https://www.instagram.com/teethtalkgirl/  🔥 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 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.