If you're trying to quit smoking, wearing a nicotine patch for up to six months -- far longer than is generally recommended -- may increase your chances of staying smoke-free, a new study has found.

An abstinence-only education program is more effective than other initiatives at keeping sixth- and seventh-graders from having sex within a two-year period, according to a study described by some as a landmark.

More and more cities and states around the country are banning smoking in public places, much to the chagrin of smokers.

The first few months after a prostate cancer diagnosis may be an especially perilous time for men, but not because of the cancer, new research suggests.

"Avatar," now the highest grossing film ever, has thrilled audiences with the idea that humans could inhabit faux, avatar bodies. Sounds creepy, but is "Avatar" tech possible in reality?

Babies who died from sudden infant death syndrome, or SIDS, show lower amounts of the brain chemical serotonin, says a study published Wednesday in the Journal of the American Medical Association.

Trouble remembering your meds? High-tech products on the horizon may be able to help.

The medical journal The Lancet on Tuesday retracted a controversial 1998 paper that linked the measles, mumps and rubella (MMR) vaccine to autism.

You might not know it to read the news of the discredited research that had long linked vaccines to autism, but there really is good progress on the autism research front.