A moderate level of aerobic fitness can significantly reduce stroke risk in men and women, according to a large, long-running study.

The brain circuitry that controls appetite might be wired differently in some people, and that could predispose them to obesity, California researchers suggest.

Anyone who has ever watched a frenetic toddler bouncing around a room has wondered if there might be some way to harvest all of that energy.

Specially programmed personal digital assistants (PDAs) can help encourage middle-aged and older Americans to increase their physical activity levels, a Stanford University study says.

Regular exercise in a heated swimming pool can benefit people with the common, painful condition fibromyalgia, a new study suggests.