For middle-aged and older men, new data suggest that it’s how hard they exercise, not how much, that may be contributing to the paradoxical increase in coronary atherosclerosis seen in athletes.

Objective To determine how distinct combinations of resistance training prescription (RTx) variables (load, sets and frequency) affect muscle strength and hypertrophy. Data sources MEDLINE, Embase, ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The Cardio Load ...