Sleepless smokers are at greatest risk for poor oral health, according to a Japanese study looking at the risk factors for gum disease.

Teenage girls who admit using anabolic steroids are less likely to be athletes and more likely to have other health-harming behaviors, researchers are reporting.

Yoga's postures, controlled breathing and meditation may work together to help ease brains plagued by anxiety or depression, a new study shows.

A daily crossword puzzle or similar highly focused task might help sharpen your all-round powers of concentration, new research suggests.

If your dreams are hot enough to burn the sheets, you've got company.