Babies delivered at 37 or 38 weeks -- or at 42 weeks or later -- are at increased risk for cerebral palsy compared to those born at 40 weeks, a study shows.

Women who carry the BRCA1 or BRCA2 cancer genes cut their death risk by getting preventive surgery to remove their ovaries and fallopian tubes. Mastectomy further reduces their cancer risk.

Low vitamin D levels are associated with a higher risk of death and hospitalization in people with heart failure, researchers report.

Adding more selenium to your diet may reduce your risk of bladder cancer.

Brain lesions associated with increased multiple sclerosis activity appear in patients more often between the months of March and August, a new study shows.

A pill that slows the heart rate substantially cut the risk of death and hospital stays for patients with severe heart failure, a study of more than 6,500 patients shows. The drug is called Procoralan.

When it comes to your heart heath, don't let age alone make you reluctant to run a marathon. So say researchers who found that amateur runners over age 50 -- and as old as 72 -- experienced some temporary heart changes, but no lasting damage after the 26.2-mile run.

African-Americans may be at an increased risk for developing life-threatening blood clots after receiving drug-coated stents that are meant to keep their arteries open, new research shows.