An Oxford University researcher predicts a billion people will die from tobacco-related diseases such as cancer during this century.

Professor Sir Richard Peto says smoking currently kills about five million adults a year globally

A Yale researcher reports a community-level intervention program, aimed at young adolescents, delays early intercourse, increases condom use and reduces the type of risky sexual behavior that can result in sexually transmitted diseases and HIV/AIDS.

The intervention consists of AIDS education, skills training, peer influence and both family and neighborhood support to avoid and reduce high-risk behavior among adolescents. The authors say community-level interventions have proven to be successful with gay men, injection drug users and inner-city women, but this was one of the first to have targeted adolescents

An unknown respiratory illness has struck an Ontario nursing home, killing six elderly patients and infecting at least 79 residents, employees and visitors.

Toronto public health officials are monitoring 170 people connected to Seven Oaks Home for the Aged in Scarborough, a bedroom community just east of Toronto, including families and children who attend a day-care center in the building

The dengue virus-carrying Aedes mosquito is adapting to urbanized human environments and traditional methods used in most Asian countries to control their breeding, making it more diffcult to control.

Dr. Duane Gubler, director at the Asia-Pacific Institute of Tropical Diseases in Hawaii says, "It's a global pandemic. It's quite clear that the disease...has evolved. There just is more dengue in the world

New evidence suggests eating a diet rich in plant foods, such as beans and Soya, cuts the risk of lung cancer