I’ve seen a study showing that people who run a lot may actually live shorter than people who just do moderate exercise. Extreme exercise could be as bad as no

I’ve seen a study showing that people who run a lot may actually live shorter than people who just do moderate exercise. Extreme exercise could be as bad as no exercise at all. https://www.mayoclinicproceedings.org/article/S0025-6196(12)00473-9/fulltext https://www.mayoclinicproceedings.org/article/S0025-6196(12)...