(Health.com) -- People who snore loudly, have difficulty falling asleep, or often wake up feeling tired may have more to worry about than dozing off at work. A new study suggests they may also be at increased risk of developing heart disease and other health problems down the road.

WASHINGTON – Got milk? You may need a couple cups more than today's food labels say to get enough vitamin D for strong bones. But don't go overboard: Long-awaited new dietary guidelines say there's no proof that megadoses prevent cancer or other ailments — sure to frustrate backers of the so-called sunshine vitamin.

A family that suffered a tragedy earlier this year is on the verge on another devastating turn: A man who received a living-donor liver transplant from his younger brother, who died four days after surgery, may not be able to keep the organ.  

HealthDay News) -- When the mastoid bone in the skull becomes infected, it's called mastoiditis. Often it's triggered by an infection in the middle ear, and it's most common in children.

CHICAGO – A leading medical group says there's some evidence that probiotics, or "good" bacteria, may have limited benefits for certain illnesses in children.

Once a person has been infected with the human immunodeficiency virus (HIV), the progress of the disease is influenced by factors both within and outside of the patient’s control. An effective form of HIV treatment, called highly active antiretroviral therapy (HAART), was introduced in 1996 and forever changed HIV disease from an almost certainly fatal condition to a difficult but long-term ...

HONG KONG (AFP) – Hong Kong health authorities said Saturday there was no sign of bird flu spreading among humans after the densely-populated city recorded its first case of the virus in seven years.

CHICAGO (Reuters) – A device that destroys nerves leading to the kidney safely lowered blood pressure in people with treatment-resistant hypertension, potentially offering a new option for millions of people who struggle to keep their disease in check, researchers said on Wednesday

LONDON – Women in their 40s with a moderate family risk of breast cancer should get yearly mammograms, a new study suggests.

CASTLE ROCK, Colo. — He knows all about the stages of grief. Denial and isolation top the list. But how can he possibly deny all that's happened? In the mirror, he sees the 14-inch scar across his abdomen. Beneath the scar, lodged below his heart, is a piece of Ryan, his brother.

When it comes to our hair, most of us worry most about what to do with it: how short to cut it, how to style it, whether to color it once it begins to go gray. But experts say that our hair says a lot more about us than how closely we follow the latest styles. In fact, the health of ...