- A study released this week by New York City's Department of Health and Human Hygiene found that H.I.V. is spread in New York at three times the rate as the rest of the country.

The Voice of America reported that health officials cite the inflated infection rate to New York's being a place with a high concentration of people who are at the highest risk for contracting the disease; men who have sex with men, blacks and minorities, and sex workers

High-dose olive leaf extract significantly reduces high blood pressure, a new study has found. Researchers in Germany and Switzerland conducted their research on sets of identical human twins with borderline hypertension.

Cem Aydogan of Frutarom Health and colleagues conducted a pilot trial with 20 identical twin pairs who had increased blood pressure, or mild hypertension. Individuals were either given placebo capsules or capsules containing doses of 500 mg or 1,000 mg of olive leaf extract EFLA 943

Almost 12 percent of deaths among American Indians are alcohol-related, more than three times the rate in the general U.S. population, a federal survey has found.

In the first national survey of its kind, the Centers for Disease Control and Prevention (CDC) on Thursday said the majority of alcohol-related deaths among Indians were centered in the Indian Health Service's Northern Plains region, which stretches from Montana to Michigan and includes North Dakota and Minnesota

Researchers have identified a gene responsible for regulating hunger that may eventually lead to new targets for obesity drugs. The new study finds that people low on the brain chemical brain-derived neurotrophic factor (BDNF) may be more prone to becoming obese.

Excessive weight gain is elicited by alterations in energy balance, the finely modulated equilibrium between caloric intake and expenditure. But not all lifestyle factors count, as genetics factors also play a role

Life expectancy was linked to the social environment where an individual is born, live, grow, work and age, according to a report released Thursday by the World Health Organization.

"The toxic combination of bad policies, economics and politics is in large measure responsible for the fact that a majority of people in the world do not enjoy the good health that is biologically possible," the WHO commissioners wrote in "Closing the Gap in a Generation: Health Equity through Action on the Social Determinants of Health