TUESDAY, May 21 (HealthDay News) -- Swollen tonsils and adenoids are a major cause of sleep apnea in children, and while removing them did not improve attention, memory or learning for these kids, it did help them with sleep, behavior and quality of life, a new study finds.

TUESDAY, May 21 (HealthDay News) -- Use of the antidepressant Lexapro appears to help prevent a potentially serious stress-related heart condition, a new study finds.

TUESDAY, May 21 (HealthDay News) -- When a classmate commits suicide, teens are more likely to consider or attempt suicide themselves, according to a new study. This "suicide contagion" occurs regardless of whether the teens knew the deceased student personally, the researchers found.

TUESDAY, May 21 (HealthDay News) -- The overall health of Americans isn't improving much, with about six in 10 people either overweight or obese and large numbers engaging in unhealthy behaviors like smoking, heavy drinking or not exercising, a new government report shows.

TUESDAY, May 21 (HealthDay News) -- Depression can affect almost every aspect of life, but some of the changes brought about by the disorder can be downright dangerous for those with diabetes.

TUESDAY, May 21 (HealthDay News) -- The monstrous tornado that devastated Moore, Okla., on Monday, killing dozens of adults and children, is a stunning example of violent weather that can affect a child's mental well-being.

TUESDAY, May 21 (HealthDay News) -- The risk of sudden infant death syndrome (SIDS) is five times higher when parents sleep with their infant, a new study finds.

TUESDAY, May 21 (HealthDay News) -- Pregnant women with specific alterations in two genes may be at increased risk of suffering depression after giving birth, a small new study suggests.

MONDAY, May 20 (HealthDay News) -- Music can help soothe the fear and anxiety of critically ill patients who have been placed on ventilators, reducing both their stress and their need for sedatives, according to a new study.

MONDAY, May 20 (HealthDay News) -- As the American Psychiatric Association unveiled last week the latest edition of what is considered the "bible" of modern psychiatry, the uproar over its many changes continues.