Multiple sclerosis (MS) can be difficult to diagnose because early symptoms can come and go. The eye disease uveitis, however, may be a warning sign that could help doctors detect MS early, a new study found.

Staying physically active is important for everyone, even for adults who cope with disabilities. And a new report suggests that many of these adults aren't getting enough activity.

While the chances of developing age-related macular degeneration or Alzheimer’s disease increase with age, older adults who develop one of these diseases are not necessarily at a greater risk of developing the other.

Vitamin C has long been touted as a super antioxidant. Maybe you've even taken some at the first sign of cold. Now scientists are finding that vitamin C offers a surprising benefit.

Stem cell research holds the promise of changing the entire field of medicine. But research has been hampered because scientists haven't found a way to produce enough cells that can be studied safely.