Residents of this city are contracting the virus that causes AIDS at three times the national rate, according to data released by the New York City health department on Wednesday.

The new incidence estimate shows that 72 of every 100,000 New Yorkers were newly infected in 2006, compared to 23 per 100,000 nationally. Nearly 4,800 New Yorkers contracted HIV in 2006 -- three times the national rate, the report said

Inhaling the smoke produced from burning of incense over a long period of time could put people at risk of cancer of the respiratory tract, if they don't smoke cigarettes, researchers reported Monday.

Long-term exposure to incense fumes was associated with an increased risk for developing mouth, tongue, and certain lung cancers, as well as squamous cell lung cancer, the most common type of lung cancer in smokers

Breastfeeding for at least six months may help reduce a woman's risk of an aggressive form of breast cancer, new study has found.

That finding, which comes from a new study published in Monday's advance online edition of Cancer, is based on two breast cancer studies that together included nearly 2,500 women aged 55-79 in Washington state. The group included 1,140 women who had had breast cancer

Women who undergo severe stress during pregnancy risk giving birth to children who develop schizophrenia, a complex brain disorder, a study suggests.

Study leader Dr. Dolores Malaspina, from the New York University School of Medicine, and colleagues looked at birth data for 88,829 people born in Jerusalem from 1964 to 1976 and cross-referenced the information with Israel's national psychiatry registry

Children who are exposed to pet dogs, cats or other furry friends at home can develop problem snoring when they grow up, a new study has revealed. Heavy snoring has been linked to early death, heart disease and stroke, not to mention the obvious problems of sleep deprivation for the snorer and their partner.

Karl Franklin, the study's lead author and a physician at University Hospital here, analyzed sleep habits and other childhood hospitalizations of men and women aged 25 to 54 -- all residents of Sweden, Norway, Iceland, Denmark, and Estonia -- and got responses from 15,556