Krista Catwood wanted a fun way to exercise, so she started a mall-walking group whose unofficial costume was 1980s garb. The festive, all-ages event has exploded in popularity over the past year.

A recent study shows getting walking more may help prevent depressive symptoms. Tracking your steps may help you stay motivated, researchers say.

People who get regular short bouts of exercise are less likely to develop diabetes, dementia and heart disease, a new study finds. And an added benefit - regular movement puts people in a better mood.