Controlled experiments in humans are expensive, time consuming, and actually very difficult to do. Meanwhile any grad student can do a mouse model. The motivation of most academic labs is citations and grants, not useful information. Putting it together…

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softwaredoug a day ago | parent [-]

It’s probably saner to look at large populations of different types of athletes / exercise patterns in a longitudinal study.

	▲	paytonjjones a day ago \| parent [-]
		Selection effects are ridiculously strong for almost anything related to health. I strongly believe that's why nutrition science is soooo far behind the rest of medicine. There aren't nearly enough serious RCTs (whereas regulations make them abundant for other medical interventions).