Uploaded July 2025 | Updated September 2026, 35 minutes ago

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Nutrition professor Dr. John Scharffenberg still travels the world to speak on longevity! He shares his profound influence on nutrition science and his views on drugs like Ozempic, sugar’s effect on heart disease, supplements, and protein.

PAPERS

Integration of epidemiological and blood biomarker analysis links haem iron intake to increased type 2 diabetes risk
pubmed.ncbi.nlm.nih.gov/39138340


VIDEOS

Our first interview with Dr. Scharffenberg: youtu.be/iddFlIcxQi4

Dr. Scharffenberg's TEDx Talk: youtu.be/RGy3jhiPqD0

Robert Waldinger: What makes a good life? Lessons from the longest study on happiness | TED
youtu.be/8KkKuTCFvzI

Health Matters 2023: How 21st Century Science Is Improving How We Age - Dr. Deborah Kado
youtu.be/2lWau-ORLZM

Healthy Longevity: A Scientist's Perspective - Dr. Anthony J.A. Molina
youtu.be/p2rMV4hTRto

Dr. Terry Butler: Adventist Health Study 2 Overview
youtu.be/OfNvnKip7ac

Michelle Cen's website
michellecen.com


00:00 Meet Dr. Scharffenberg
4:59 Dr. Scharffenberg’s epic life
19:42 Sugar’s health effects
22:23 Ozempic and Wegovy - safe?
27:49 Should we take supplements?
28:57 Should we supplement protein?
31:46 Thoughts on epidemiology