SUNDAY, April 3 (HealthDay News) -- There's a significant link between smoking and breast cancer risk in postmenopausal women, but it depends on their body weight, researchers report.

SUNDAY, April 3 (HealthDay News) -- The use of a powerful class of antibiotics called carbapenems has increased dramatically in the United States over the past five years, a new study shows.

SUNDAY, April 3 (HealthDay News) -- The identification of four new genes associated with Alzheimer's disease is a major advance that will help improve understanding of what causes the condition, say scientists who pinpointed the genes.

SUNDAY, April 3 (HealthDay News) -- Diabetes is already linked to a number of complications, but emerging evidence suggests an increased risk of cancer can be added to that list.

SUNDAY, April 3 (HealthDay News) -- The earliest known case of coronary artery disease has been found in the 3,550-year-old mummy of an Egyptian princess. She lived between 1580 and 1550 B.C., and died in her early 40s, say researchers.

SUNDAY, April 3 (HealthDay News) -- New Orleans residents still faced a threefold higher risk of heart attack four years after the city was devastated by Hurricane Katrina in 2005, a study finds.

SUNDAY, April 3 (HealthDay News) -- An experimental, minimally invasive procedure to place a new valve in a damaged heart is as good as conventional open-heart surgery, although it comes with a higher risk of stroke, researchers reported Sunday.