A new study reports that taking a walk, or participating in any exercise, can reduce the risk of age-related macular degeneration (AMD) by up to 70%. AMD is a degenerative eye disease in which the light-sensitive cells in the back of the eye stop working. It is the leading cause of severe vision loss in people over age 60.
Researchers followed nearly 4,000 men and women in Beaver Dam, Wis., between the ages of 43
















