It’s not just in your legs. Scientists have discovered a "fitness switch" in the brain that must be flipped after a workout for your body to actually build endurance.

Building endurance isn't just about muscles, it's about the brain. A newly discovered neural circuit in the hypothalamus rewires itself after exercise to boost heart and muscle strength.

Drugs that "switch on" vitamin A in the body may also help stave off conditions such as motor neuron disease (MND). New research from the University of Aberdeen published today in Frontiers in ...