Exercise does more than strengthen muscles; it also rewires the brain. In a study published in Neuron, researchers reveal that the lasting gain in endurance from repeated exercise—such as the ability ...

Like junkies without drugs, mice without running wheels crave what they lack, suggesting that some animals can develop an addiction for exercise, report scientists in the Dec. 1 issue of the journal ...

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 ...