Let’s start thinking differently about exercise. Here’s how we know. Animal exercise studies typically run rats for weeks on running wheels. The animals gleefully run every night, sprinting several ...

The intensity of physical activity is considered an important but so far vaguely defined health factor. The WHO assumes that one minute of intense exercise is equivalent to two minutes of moderate ...

Any exercise you do requires two things: muscle contraction and energy. You train your muscles with exercise, of course, but did you know you also train the mechanisms that provide the energy? All ...