Fitness intensity can be one of the most subjective areas of working out. From “rate of perceived exertion” (or RPE) to the famous “runner’s high” or getting “in the zone,” these metrics can, at best, ...

If you’re new to exercise or evaluating your current routine, there are a lot of variables to consider. Should you be focused on strength training or cardio? High-intensity interval training or more ...

A new study from Dartmouth College sheds light on how easy to moderate aerobic exercise affects the human mind differently than high-intensity workouts over a full calendar year. This ...