You don’t have to slow down as you age. In fact, it might speed up the aging process if you do. Each year thousands of aging Americans are proving that...
Go outside. Sunshine can increase athletic performance by as much as 10%, according to the journal Medicine and Science in Sports and Exercise.
Ultraviolet rays boost your Vitamin D levels, and study review has determined that D improves reaction time, speed, and muscle strength. Sun active vitamin D works as a steroid hormone that regulates genes associated with athletic performance, says study author John Cannel, M.D. Three out of four people have too-low levels of the vitamin.















