The anti-clotting drug Plavix will get a new "black box" label warning that normal doses don't work for 2% to 14% of patients.

A Canadian study suggests that SSRI antidepressants raise the risk of cataracts by about 15% -- enough to cause 22,000 extra U.S. cataract cases per year.

A survey shows that one year after knee replacement surgery, 95% of patients were happy with their new knees.

Simply seeing the letter “A” before an exam might help you improve your grade, but spotting an “F” could make you perform poorly.

Accidents involving all-terrain vehicles (ATVs) have caused “alarming” increases in childhood injuries, often very serious ones, new studies indicate.

Some Whole Foods and Frontier brand spices have been recalled due to possible salmonella contamination of pepper included in the products.

Occasional high blood pressure readings are often ignored as nothing to worry about, but a new study suggests this episodic high blood pressure is a strong predictor of strokes.

A moisturizing cream whose active ingredient is extract of onion can help to take the redness out of new stretch marks.

The U.S. is making gains on at least one war front, the "War on Cancer," according to a new analysis of cancer death statistics.

A large percentage of patients without known heart disease who undergo invasive cardiac catheterization to check for dangerous artery blockages do not have them, a new study suggests

Nearly 2 million pounds of ready-to-eat beef taquito and chicken quesadilla products that may be contaminated with salmonella have been recalled, the U.S. Department of Agriculture (USDA) says.

Stromectal -- a pill containing ivermectin, a drug used to prevent heartworm in dogs -- kills head lice resistant to first-line treatment better than malathion-based lotion.

An NIH panel of outside advisors urges a change to hospital rules and doctor guidelines that keep many women who've had a C-section from opting for a natural birth in later pregnancies.

A severe diarrhea-causing germ once thought to only affect the elderly or seriously ill is now affecting a growing number of healthy children

Platelet-rich plasma -- injections of a patient's own blood platelets -- heals of tennis elbow better than cortisone shots, a study finds.

One in six Americans between the ages of 14 and 49 have genital herpes and close to 1 in 2 black women are infected, new figures from the CDC reveal.

Good health may not only help you live longer, it could help you enjoy a longer, more satisfying sex life as well, a study shows.

While some researchers suggest the rising rates of melanoma may simply reflect a change in how doctors diagnose melanoma and the increased availability of skin cancer screenings, a leading dermatologist says the increase is real.

Most companies lack meaningful policies to curb the marketing of high-fat and high-sugar junk food to children, according to a report by a consumer watchdog group.

New research confirms that giving flu shots to large numbers of school-age children can protect the community at large.