Exercise Myths Debunked | Harvard Epidemiologist Dr. I-Min Lee

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Dr. I-Min Lee is a physical activity researcher. She’s a Professor of Medicine at Harvard Medical School and Professor of Epidemiology at the Harvard T.H. Chan School of Public Health. PAPERS: Women’s Health Study https://prevmed.bwh.harvard.edu/womens-health-study/ Effect of physical inactivity on major non-communicable diseases worldwide: an analysis of burden of disease and life expectancy https://pubmed.ncbi.nlm.nih.gov/22818936/ Association of Step Volume and Intensity With All-Cause Mortality in Older Women https://pubmed.ncbi.nlm.nih.gov/31141585/ Various Leisure-Time Physical Activities Associated With Widely Divergent Life Expectancies: The Copenhagen City Heart Study https://www.mayoclinicproceedings.org/article/S0025-6196(18)30538-X/abstract ARTICLES: Do We Really Need to Take 10000 Steps a Day for Our Health? - New York Times https://www.nytimes.com/2021/07/06/well/move/10000-steps-health.html BOOKS: Epidemiologic Methods in Physical Activity Studies by I-Min Lee https://www.amazon.com/Epidemiologic-Methods-Physical-Activity-Studies/dp/0195183002 VIDEOS: 10,000 steps: Fact, fiction, or fad? | Dr. I-Min Lee | TEDxBoston https://youtu.be/hWoe7biQpYQ?si=mmk-l2JoZk8bBSN2 Old Man Strength At Muscle Beach https://youtu.be/uyM6Wyg0xPg?si=QWYTWu6j0r2wP8Lc Michelle Cen's website: https://www.michellecen.com/ 0:00 I-Min Lee’s background 1:53 What physical activity epidemiologists do 5:34 Effect of physical activity vs. smoking on health 8:06 No pain, no gain? 9:50 10,000 steps per day? 10:48 Epidemiology explained 13:29 Limits of fitness trackers 15:20 Which sports are best for longevity? 17:02 How observational studies minimize errors 21:47 Drugs vs. exercise’s effect on health 23:34 How to get more physical activity in 25:00 Aerobic vs. strength training 27:00 How to know what studies to trust 29:40 People who do physical activity for work vs. leisure 30:52 Creating the US Physical Activity Guidelines 31:59 How to minimize confounding variables 33:52 How physical activity recommendations change over life 35:42 How much physical activity should one do? 36:55 How much physical activity is too much?