Bahar Gholipour

For women, regularly taking aspirin may do more harm than good, a new study finds. But once women reach age 65, the benefits outweigh the risks, researchers said.

The U.S. birth rate reached an all-time low in 2013, as the number of babies born in the country declined for the sixth straight year since the peak in 2007, a new report finds.

Women ages 40 to 59 have the highest rate of depression of any group based on age and gender in the United States.

The percentage of U.S. adults who smoke cigarettes was 17.8 percent in 2013, a drop from 20.9 percent in 2005, and the lowest rate of smoking since researchers began tracking this figure in 1965.

Having many children could increase women's risk of developing heart disease, a new study finds.

Using cocaine can damage the heart's blood vessels, but this problem doesn't show up on routine medical tests, according to a new study.

Psychological stress may partly explain why women with heart disease are more likely to die from heart attacks than are men with heart disease.

A handheld device that detects the amount of salt in your food could help people lower the amount of salt in their diet, a new study shows.

Breathing in secondhand marijuana smoke may damage the blood vessels just like breathing in secondhand cigarette smoke does, a new study in rats suggests.

A sudden peak in visits to Wikipedia pages about a disease could be a sign of an approaching outbreak, a new study shows.

No new cases of polio caused by the wild poliovirus type 3 has been reported since two years ago, according to a new report.

Taking vitamin B12 and folic acid supplements may not reduce the risk of developing memory and thinking problems in older people, a new study finds.

New York doctor Craig Spencer, who was infected with Ebola while treating patients in Guinea, is now declared free of the virus and is leaving the Bellevue Hospital Center today

The New York City doctor Craig Spencer, who was the first and so far the only Ebola patient in the city, will be released from Bellevue Hospital Center on Tuesday morning.

The Centers for Disease Control and Prevention has ordered $2.7 million in personal protective equipment for health care workers to wear while treating Ebola patients, the agency said today.

The "pollen vortex" that was predicted to happen in 2014 didn't occur, research suggests.

Sometimes people report they can feel a strange presence around them — a ghost. Now scientists create the eerie sensation in people using a robot.

A two and-a-half year-old girl in Pennsylvania nearly died from an unusually severe allergic reaction to eating an orange, her doctors reported.