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Ed Park, MD
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From Burnout to Breakthrough: William Bosch’s Journey to Living Younger, Longer

Health crises were the real turning points, not ambition. A high-cholesterol diagnosis in his late 20s led William to start Iconic; undiagnosed shingles and Bell's palsy in his late 30s — driven by the stress of a hostile takeover — led him to found LongevityX. Both times, a medical scare (not a business plan) redirected his path. Epigenetic testing exposed a hidden cost of stress. Despite looking like "the picture of health," William's brain age tested at ~50 while his real age was in the high 30s. That gap convinced him stress ages the body independent of how fit someone looks, and it became the founding insight behind his coaching practice. The 80/20 rule: lifestyle beats supplements. William's protocol prioritizes sleep, diet sequencing (fiber → protein → carbs), and stress management over peptides, stem cells, or hormones — even though he's tried nearly all of them. He positions supplements and advanced therapies as the last 20%, not the foundation.
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13 November 2026

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Karan Rajan, MD
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Doctor Explains Why Probiotics Are Mostly Useless

Karan Rajan, MD
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Doctor Explains If Multivitamins Are A Scam

Karan Rajan, MD
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Doctor Explains Creatine For Alzheimer’s Disease

🔥Get 10% OFF LOAM with code DRKARAN10: https://loamscience.com/products/loam-prebiotic-fiber-formula?utm_source=youtube&utm_medium=social&utm_campaign=drkaran 📧Get my free weekly newsletter filled with easy to action health tips, interesting facts and science to fill your curiosity: https://drkaran.kit.com/subscribe [DESCRIPTION] 🚽 Discover Throne’s incredible new smart toilet device and get $40 OFF with code DRKARAN: http://thronescience.com 🔥 For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”: https://a.co/d/04juxSf0 📕 Grab my book, This Is Vital Information, here: https://linktr.ee/ThisisVitalInformation?utm_source=linktree_profile_share&ltsid=cd0ec3c1-f1cc-49b9-8cbf-f2f4965bd852 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. 📱Connect with me: Instagram: https://www.instagram.com/drkaranrajan/ TikTok: https://www.tiktok.com/@dr.karanr Facebook: https://www.facebook.com/DrKaranR/ Website: www.drkaranrajan.com X: https://twitter.com/drkaranrajan
Karan Rajan, MD
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Doctor Explains Why Bryan Johnson Is In Danger

🔥Get 10% OFF LOAM with code DRKARAN10: https://loamscience.com/products/loam-prebiotic-fiber-formula?utm_source=youtube&utm_medium=social&utm_campaign=drkaran 📧Get my free weekly newsletter filled with easy to action health tips, interesting facts and science to fill your curiosity: https://drkaran.kit.com/subscribe [DESCRIPTION] 🚽 Discover Throne’s incredible new smart toilet device and get $40 OFF with code DRKARAN: http://thronescience.com 🔥 For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”: https://a.co/d/04juxSf0 📕 Grab my book, This Is Vital Information, here: https://linktr.ee/ThisisVitalInformation?utm_source=linktree_profile_share&ltsid=cd0ec3c1-f1cc-49b9-8cbf-f2f4965bd852 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. 📱Connect with me: Instagram: https://www.instagram.com/drkaranrajan/ TikTok: https://www.tiktok.com/@dr.karanr Facebook: https://www.facebook.com/DrKaranR/ Website: www.drkaranrajan.com X: https://twitter.com/drkaranrajan
Karan Rajan, MD
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Doctor Explains Bryan Johnson’s Autoimmune Disease

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.
Karan Rajan, MD
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Channel

Doctor Explains Miracle Peptides

🚽 Discover Throne’s incredible new smart toilet device and get $40 OFF with code DRKARAN: http://thronescience.com 🔥 For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”: https://a.co/d/04juxSf0 📕 Grab my book, This Is Vital Information, here: https://linktr.ee/ThisisVitalInformation?utm_source=linktree_profile_share&ltsid=cd0ec3c1-f1cc-49b9-8cbf-f2f4965bd852 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. 📱Connect with me: Instagram: https://www.instagram.com/drkaranrajan/ TikTok: https://www.tiktok.com/@dr.karanr Facebook: https://www.facebook.com/DrKaranR/ Website: www.drkaranrajan.com X: https://twitter.com/drkaranrajan
Karan Rajan, MD
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Doctor Explains the Peptide Epidemic

🔥Get 10% OFF LOAM with code DRKARAN10: https://loamscience.com/products/loam-prebiotic-fiber-formula?utm_source=youtube&utm_medium=social&utm_campaign=drkaran 📧Get my free weekly newsletter filled with easy to action health tips, interesting facts and science to fill your curiosity: https://drkaran.kit.com/subscribe [DESCRIPTION] 🚽 Discover Throne’s incredible new smart toilet device and get $40 OFF with code DRKARAN: http://thronescience.com 🔥 For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”: https://a.co/d/04juxSf0 📕 Grab my book, This Is Vital Information, here: https://linktr.ee/ThisisVitalInformation?utm_source=linktree_profile_share&ltsid=cd0ec3c1-f1cc-49b9-8cbf-f2f4965bd852 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. 📱Connect with me: Instagram: https://www.instagram.com/drkaranrajan/ TikTok: https://www.tiktok.com/@dr.karanr Facebook: https://www.facebook.com/DrKaranR/ Website: www.drkaranrajan.com X: https://twitter.com/drkaranrajan
Karan Rajan, MD
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Doctor Explains The Unfiltered Truth Behind Peptides

🔥Get 10% OFF LOAM with code DRKARAN10: https://loamscience.com/products/loam-prebiotic-fiber-formula?utm_source=youtube&utm_medium=social&utm_campaign=drkaran 📧Get my free weekly newsletter filled with easy to action health tips, interesting facts and science to fill your curiosity: https://drkaran.kit.com/subscribe [DESCRIPTION] 🚽 Discover Throne’s incredible new smart toilet device and get $40 OFF with code DRKARAN: http://thronescience.com 🔥 For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”: https://a.co/d/04juxSf0 📕 Grab my book, This Is Vital Information, here: https://linktr.ee/ThisisVitalInformation?utm_source=linktree_profile_share&ltsid=cd0ec3c1-f1cc-49b9-8cbf-f2f4965bd852 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. 📱Connect with me: Instagram: https://www.instagram.com/drkaranrajan/ TikTok: https://www.tiktok.com/@dr.karanr Facebook: https://www.facebook.com/DrKaranR/ Website: www.drkaranrajan.com X: https://twitter.com/drkaranrajan
Karan Rajan, MD
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Channel

Doctor Explains Why Only Some People Live Long

🔥Get 10% OFF LOAM with code DRKARAN10: https://loamscience.com/products/loam-prebiotic-fiber-formula?utm_source=youtube&utm_medium=social&utm_campaign=drkaran 📧Get my free weekly newsletter filled with easy to action health tips, interesting facts and science to fill your curiosity: https://drkaran.kit.com/subscribe [DESCRIPTION] 🚽 Discover Throne’s incredible new smart toilet device and get $40 OFF with code DRKARAN: http://thronescience.com 🔥 For more useful science for your everyday life, grab my best selling book “This Book May Save Your Life”: https://a.co/d/04juxSf0 📕 Grab my book, This Is Vital Information, here: https://linktr.ee/ThisisVitalInformation?utm_source=linktree_profile_share&ltsid=cd0ec3c1-f1cc-49b9-8cbf-f2f4965bd852 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. 📱Connect with me: Instagram: https://www.instagram.com/drkaranrajan/ TikTok: https://www.tiktok.com/@dr.karanr Facebook: https://www.facebook.com/DrKaranR/ Website: www.drkaranrajan.com X: https://twitter.com/drkaranrajan