According to a new analysis, the United States now ranks 41st in the world in terms of neonatal mortality, the death rate of infants less than one month old.

Prolonged breast-feeding is widely believed to protect infants against developing eczema and other allergic diseases. But a new study has found no evidence for the belief.

The taller a woman is, the greater her risk for cancer, a large study has found.

Add yet another item to the long list of damaging effects of secondhand smoke: hearing loss in teenagers.

Researchers, writing in the July issue of The Archives of Otolaryngology

Humans are a much bigger problem than wolves for a caribou herd in the oil sands area of Alberta, Canada, scientists reported last week in Frontiers in Ecology.

Studies of scat of moose, caribou and wolves in the area showed that caribou accounted for only 10 percent of the animals consumed by wolves. Eighty percent of the wolves

The risk for rheumatoid arthritis is not large

Eating broccoli sprouts may be an effective way to control the germ that causes most peptic ulcers and is strongly associated with stomach cancer, a small study has found.

Dietary Sulforaphane-Rich Broccoli Sprouts Reduce Colonization and Attenuate Gastritis in Helicobacter pylori

Infant mortality has been declining slightly in the United States. But 28,000 children under the age of 1 still die every year.

Vitamin B supplements may reduce the risk for age-related macular degeneration, at least in women with cardiovascular disease or at risk for it. Macular degeneration, a disease that destroys the central area of the retina, is the leading cause of severe vision loss in people over 50.