When there is an outbreak of flu or other epidemics, selective school closures are considered one way to reduce the number of cases. However, new research shows that this limited tactic may be ineffective.

Canadian immigrant women are screened less often for cervical cancer than native-born Canadian women, according to a new study from St. Michael's Hospital.

In a new study, researchers from Greece and the U.S. call attention to inconsistencies in black box warnings - the safety warnings on a drug's label that highlight the serious risks of that drug.

Researchers have identified a potential vaccine capable of reducing the colonization of the bacterium Helicobacter pylori (H. pylori), a known cause of gastritis, ulcer disease and cancer.

Vegans -- individuals who don't eat animal products, including dairy -- may be prone to atherosclerosis or hardening of the arteries, according to a new study.

Heart disease costs are predicted to triple in the next 20 years in the U.S., according to predictions from the American Heart Association (AHA).

A new Rutgers University study indicates children "learn" fear from outside sources and are not born with an innate dread of creepy-crawlies or things that go bump in the night.

Clinical trials testing a major brand of the herb black cohosh, purported to ease menopause symptoms, have indicated use of the supplement does not cause liver damage.