Human heart

An unusual X-ray shows a cartoonish heart seemingly floating in a child's esophagus.

A new study has found a link between e-cigarette use and an increased risk of stroke and heart attacks.

Signs of ancient plaque in mummies' hearts hint at cardiovascular disease.

A man in California surprised his doctors when he coughed up an unusual looking blood clot: It was in the shape of his lung.

Aspirin and Omega-3 both help the heart — but maybe not together

Pneumonia caused by bacterial infections poses a much greater threat to the heart than pneumonia caused by viral infections, a new study suggests.

Drinking a cup of tea or eating a handful of berries a day may help protect against heart disease, a new study suggests.

Sometimes the heart wants what it wants. But it's not late-night eating.

People who experience a rare condition known as "broken-heart syndrome" need immediate medical attention, but often make a quick recovery.

It looks like Halloween costume: a man with bloody tears pouring down his face. But these tears are the real thing, the result of a rare condition.