Maintaining a high level of fitness into middle age does more than promote overall cardiovascular health. It also appears to protect blood vessels from hardening typically associated with age or plaque build up.

More than 200,000 ophthalmologists are in practice around the world. However, the number of new eye doctors is not growing at a pace capable of meeting the needs of a large aging population.

Some of the hardest parts of coping with autism can be managing the destructive behaviors that children with an autism spectrum disorder (ASD) often display and the strain these outbursts can put on family relationships.

Education helps the human brain to make complex networks of neurological connections. Evidence suggests that these kinds of networks defend against chemical solvent damage.

Frequently, drugs start life as a treatment for one condition. With increasingly complicated drugs affecting the immune system, it seems the sky's the limit for potential uses of some medications.

Dry eyes are commonly treated with eye drops or ointments. For patients with a persistent form of the condition, a brief in-office procedure that requires no recovery is increasing in popularity.

Having a biopsy - which retrieves and analyzes tiny bits of a tumor - can be an invasive and expensive proposition. A new method may one day involve only blood samples to look for and identify genes that are out of whack.