Most Potent Medical Intervention Ever Known'

William Brangham spoke recently with someone who's helping lead this research, Euan Ashley. He's a professor of cardiovascular medicine and genetics at Stanford University and the newly named chair of its Department of Medicine. And he calls exercise the single most potent medical intervention ever known.

Well, look, we have known for maybe 70 years that exercise was among one of the most potent medical interventions known.

And so you have started to publish some of your findings. When you compare exercise to these other critical things that we know are important for health, diet or sleep or things like that, where does exercise fit in? What are the sort of top-line findings of exercise's potency?

Well, one of the things that really surprised us ⁘ were all exercise people already, so we were all convinced as to the benefits.

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