Regular exercise (along with eating right and drinking lots of water) really does help improve your outlook on life. More than that, it improves your chances to lead a longer life!
“You know your heart benefits from exercise. Your brain does, too. Studies show that regular, moderate exercise — 30 minutes of walking or a light one-mile run — helps fight the effects of aging on the brain. No grueling workouts required! All types of exercise count, including walking, bicycling, hiking, swimming, aerobics, and weight training. Ballroom dancing is another good one, especially fun on chilly evenings.
How does exercise work to prevent mental decline? Researchers believe exercise may stimulate the body to fight stress that’s normally occurring in the brain — stress that causes oxidative damage. All that good stuff from a little exercise!” – healthy living tips from WEBMD.”
Link here for more: http://www.webmd.com/fitness-exercise/features/8-fall-tips-healthy-living#4