(HealthDay News) -- Rotavirus is a common infection among young children, especially those in the close confines of hospitals or child care centers.

(HealthDay News) -- Though the body needs omega 3 fatty acids, it doesn't make them. So you must get them from foods including fish, some plants or nut oils, the University of Maryland Medical Center says.

FRIDAY, Nov. 12 (HealthDay News) -- Patients with a certain type of leukemia who had insufficient vitamin D levels when their cancer was diagnosed saw their disease progress much faster and were two times more likely to die than those with adequate vitamin D levels, a new study finds.

FRIDAY, Nov. 12 (HealthDay News) -- Depression treatments appear to be less effective in helping poor and working class patients function at work, a new study finds.

FRIDAY, Nov. 12 (HealthDay News) -- A minor gene variation may be associated with altruism, an unselfish concern for the welfare of others, a new study has found.

FRIDAY, Nov. 12 (HealthDay News) -- A growing number of Americans know about chronic obstructive pulmonary disease(COPD), but too many remain unaware of the deadly lung disease, a new survey has found.

FRIDAY, Nov. 12 (HealthDay News) -- Obstructive sleep apnea may cause structural defects in the brain's gray matter, resulting in problems with cognitive functions such as attention and memory, a new study suggests.

FRIDAY, Nov. 12 (HealthDay News) -- Around the nation, hospitals refer to themselves as "stroke centers of excellence" or "chest pain centers," the implication being those facilities offer top-notch care for stroke and heart attacks.

FRIDAY, Nov. 12 (HealthDay News) -- Television ads that encourage people to quit smoking are most effective when they use a "why to quit" strategy that includes either graphic images or personal testimonials, a new study suggests.

FRIDAY, Nov. 12 (HealthDay News) -- Black Americans are more likely than whites to have common foot disorders such as flat feet and corns, new research shows.

FRIDAY, Nov. 12 (HealthDay News) -- Talking to young children about numbers can boost their success in math once they're in school, researchers say.

FRIDAY, Nov. 12 (HealthDay News) -- That feeling of goodwill when family and friends gather for the Thanksgiving meal may be due to the fact that the sight of meat on the table calms people, a new study suggests.

FRIDAY, Nov. 12 (HealthDay News) -- Even though they have a better chance of survival, younger adult cancer patients have more difficulty coping with the pain and emotional and financial issues of cancer than older patients, researchers say.

FRIDAY, Nov. 12 (HealthDay News) -- Even as the threat of diabetes continues to grow, scientists have made significant discoveries in the past year that might one day lead to ways to stop the blood sugar disease in its tracks.

THURSDAY, Nov. 11 (HealthDay News) -- Severe acne may significantly increase suicide risk, and patients taking isotretinoin (Accutane) for the skin condition should be monitored for at least a year after treatment ends, Swedish researchers report.

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

(HealthDay News) -- Here are the latest clinical trials, courtesy of ClinicalConnection.com: