Reuters - The test commonly used to screen men for prostate cancer may be more likely to miss tumors in obese men, a new study suggests.

AP - As salmonella cases continue to climb, the government is checking if tainted tomatoes really are to blame for the record outbreak — or if the problem is with another ingredient, or a warehouse that is contaminating newly harvested tomatoes.

AFP - HIV infections among heterosexual Africans could be slashed by more than a third if safe-sex counselling was directed at married or cohabiting couples, a new study says.

AP - Health officials are trying to persuade doctors to offer HIV tests to nearly every patient in a New York City community hit harder than most by AIDS.