Researchers say breathing in polluted air does more than damage the lungs; it harms the heart, too.

More U.S. women are getting birth control services, according to a national data review.

Children who drink milk and consume other dairy products are likely to have stronger bones in adolescence, according to a new study.

Questions and answers about the high-calorie diet that fuels the championship performance of Olympic swimmer Michael Phelps.

Sexual problems as we get older may not be a part of the natural aging process, but may be related to "stressors" like our emotional and physical health, a new study shows.

A woman is sexually attracted to men who smell like a good genetic match -- but birth control pills make her smell out the "wrong" men, a U.K. study shows.

Dietary supplement use among long-term cancer survivors aged 65 and older is very common, according to a new study. But researchers say the practice may pose risks.

A new study shows that five healthy lifestyle factors help cut the risk of the most common type of stroke by 80%.

Even early-stage breast cancer patients who complete five years of drug treatment have a significant risk for relapsing, new research shows.

Adults who have severe or long-term diabetes or who develop the disease before age 65 have an increased risk for mild but noticeable memory problems.

A new survey suggests "retail" health clinics for kids -- often located inside stores -- are growing in popularity among parents.

The FDA has approved the HIV drug Viread for the treatment of chronic hepatitis B in adults.

People diagnosed with type 2 diabetes who lose excess weight soon after their diagnosis are up to twice as likely to maintain control of their disease than those who don't lose or who gain.

Very low levels of vitamin D are linked to increased risk of death, according to a new study.

Despite their weight, nearly a third of obese people are not at high risk of diabetes or heart disease -- but nearly a quarter of normal-weight people are.

Using acid reflux drugs called proton pump inhibitors for at least seven years may be linked to increased risk of osteoporosis-related fractures, a Canadian study shows.

A special type of positron emission tomography (PET) scan appears to detect abnormal brain proteins associated with Alzheimer's disease.

A study that tracked older runners for two decades shows that regular runners have fewer disabilities and are less likely to die early deaths.

Whole Foods Market is recalling fresh ground beef sold between June 2 and Aug. 6, 2008, in certain states because of possible contamination with E. coli bacteria.

Getting married doesn't improve one's health as much as it used to, according to a new study.