Many Americans know exercise is important, but few know exactly how much they need. Experts now say the answer may be simpler ...

Exercise is non-negotiable for better health. From medical experts to fitness gurus, everyone agrees on the power of movement. Regular exercise is linked to improved digestive, heart, and brain health ...

Japanese walking this. Hot Pilates that. Trendy workouts may be top of mind, but one question always remains: How much exercise per week do you actually need to be healthy? While you might think it’s ...

The worst condition to be in, it appears, is that of the archetypal couch potato. A notch above this is a little walking and stranding, and more physical forms of aerobic exercise are better still.

NPR's science podcast Short Wave brings us stories on food fortification, why some people don't seem to get the flu, and a study on how much vigorous exercise you really need. It's time now for our ...