Nutrition Facts with Dr. Greger Exercise as Medicine (Part 2)
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Feb 13, 2025 Delve into the immense health benefits of physical activity. Discover how exercise can potentially extend both lifespan and healthspan, and hear about the nuanced debates among experts. Learn about the influence of genetics and socioeconomic factors on exercise benefits. The discussion emphasizes a balanced approach to using physical activity as a form of medicine. Is there such a thing as too much exercise? Explore this intriguing question.
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Causality of Inactivity and Death
- Observational studies link inactivity to death, but causality is unclear.
- It's difficult to determine if inactivity causes death or if underlying health issues cause inactivity.
Bus Drivers vs. Conductors
- A 1950s study found London bus drivers had double the heart disease death rate of conductors.
- However, bus drivers were initially heavier, highlighting reverse causality issues.
Confounding Factors and Elite Athletes
- Confounding factors like smoking complicate observational studies.
- Elite athletes may die at higher rates due to performance-enhancing drugs.
