For the first time in the United States, stem cells have been directly injected into the spinal cord of a patient, researchers announced Thursday.

If Americans cut their salt intake by just half a teaspoon per day, it would produce public health benefits on par with reducing high cholesterol, smoking, or obesity, a new study has found.

About one out of every 22 patients who checks into a U.S. hospital acquires a bacterial infection, adding more than billion to health care costs, according to a CDC report. Here's what four people are doing to change the situation.

It's shocking, but it's true: Being a woman who's more than 20 pounds overweight can result in surprising -- and devastating -- health repercussions beyond the usual diabetes and heart-health concerns.

How does the human body survive for days after being entombed without food or water? Experts say it simply underscores the body's resilience in the face of adversity.

For some earthquake victims in Haiti who are pulled out alive from the rubble, crushed limbs aren't the only problem: another -- more lethal -- emergency awaits them.

Should people who don't have high cholesterol take a cholesterol-lowering statin? Maybe, according to the U.S. Food and Drug Administration, which is considering an advisory panel's recent recommendation to do just that.

He wanted to sit outside for a while and enjoy the night air, then took a shower and curled up on the couch to watch a cartoon movie.

Recently named London's "It Girl" by society magazine Vanity Fair, 18-year-old Jazzy de Lisser is said to have it all. She is beautiful and affluent, her best friends include Sting's daughter, Coco Sumner, and she is often compared to another famous British trend-setter, Kate Moss.