Not only is the tango a dance of romance and passion, it also helps improve balance and mobility in people with Parkinson's disease, a new study suggests.

Almost everyone worries about something -- credit card debt, car repair bills, an upcoming work review, whether your child will get into a good college. A little worry is natural and normal.

If you're a video game "widow," science might now be able to tell you why. New research from Stanford scientists shows that the part of the brain associated with reward and addiction was more activated in males than in females when both genders played a game whose object was to acquire more territory.

Older smokers are more likely than younger ones to deny they smoke when asked about it by doctors and others.

Chronic pain can disrupt brain function and cause problems such as disturbed sleep, depression, anxiety and difficulty making simple decisions, a U.S. study finds.