Study found more germs and a wider variety of bacterial types in houses with dogs

But it's unclear what the finding might mean for patients

Hopelessness, disability may play a role in feelings of despair, study finds

But questions remain about widespread screening

Patients thought to have lung condition were re-evaluated in small study

In a medical first, doctors used plastic particles and a 3-D laser printer to create an airway splint to save the life of a baby boy who used to stop breathing nearly every day.

WARSAW, Poland (AP) — A 33-year-old Polish man received a face transplant just three weeks after being disfigured in a workplace accident, in what his doctors said Wednesday is the fastest time frame to date for such an operation. It was Poland's first face transplant.

NEW YORK (AP) — The American Cancer Society — one of the nation's best known and influential health advocacy groups — is 100 years old this week.

By Toni Clarke WASHINGTON (Reuters) - Merck & Co's experimental insomnia drug moved a step closer to U.S. approval on Wednesday after a panel of medical experts said it is effective and safe at lower doses. The advisory panel was convened to help the U.S. Food and Drug Administration decide whether to approve the drug, suvorexant, which would be the first in a new class of sedatives that block chemicals in the brain called orexins that help keep people awake. The drugs are designed to help people fall asleep and stay asleep. ...