Americans with HIV are getting diagnosed faster than ever before, but most people who are infected carry the virus for three years before they know it.
Smoking and obesity are the leading causes of cancer in the U.S., a new American Cancer Society analysis finds. Drinking is also a major cause.
Sex is rarely associated with sudden cardiac arrest, a life-threatening malfunction of the heart’s electrical system causing the heart to suddenly stop beating.
Almost everyone gets this virus and oral sex spreads it.
Whatever Hollywood mogul Harvey Weinstein may have done, he’s no sex addict, experts said. And most say there’s no such thing as sex addiction.
A large review has found a 40-year plunge in sperm quality in men from North America, Europe, Australia and New Zealand.
Antibiotic resistant "superbug" strains of gonorrhea are spreading, the World Health Organization says.