Nearly 1 in 20 Americans older than 50 have artificial knees, or more than 4 million people, according to the first national estimate showing how common these replacement joints have become in an aging population.
The government wants to start regulating face and hand transplants just as it does now with kidneys, hearts and other organs, with waiting lists, a nationwide system to match and distribute body parts and donor testing to prevent deadly infections.
A woman who was burned and disfigured when her ex-husband doused her with industrial lye four years ago has been approved for a rare face transplant.
The researchers studying a degenerative brain disease in former athletes plan to test about 100 retired NFL players to try to learn how to diagnose the condition during life.
Your blood type might affect your risk for stroke. People with AB and women with B were a little more likely to suffer one than people with O blood _ the most common type, a study found.
Say you've had a heart attack and your insurer offered you free medicines to help prevent another one. Doctors did that in a major study and were stunned to find that only about half of patients took them.
Give people free prescription drugs and many of them still won't bother to take their medicine.
Law enforcement officers equipped with riot gear cleared out Oakland's weeks-old anti-Wall Street encampment early Monday, arresting Occupy demonstrators and removing tents from a downtown plaza after issuing several warnings over the weekend.
The new face of a Connecticut woman who was mauled by a chimpanzee two years ago was revealed for the first time Thursday in photos showing a startling transformation.