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.

You have full access to this article via your institution. The surprisingly big health benefits of just a little exercise Exercise is well understood to be good for you, but how much do you need to do ...

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 ...