Look Ahead1 of 11
People who run more than 35 miles a week are 54 percent less likely to suffer age-related vision loss than those who cover 10 miles a week.
Keep the Beat2 of 11
Runners who log a weekly run of 10 miles (or more) are 39 percent less likely to use high blood pressure meds and 34 percent less likely to need cholesterol meds compared with those who don't go farther than three miles.
Function Well3 of 11
Men who burn at least 3,000 calories per week (equal to about five hours of running) are 83 percent less likely to have severe erectile dysfunction.
Build Bone4 of 11
Running strengthens bones better than other aerobic activities, say University of Missouri researchers who compared the bone density of runners and cyclists. Sixty-three percent of the cyclists had low density in their spine or hips; only 19 percent of runners did.
Think Fast5 of 11
British workers were surveyed on a day they worked out and a day they didn't. People said they made fewer mistakes, concentrated better and were more productive on the day they were active.
Stay Sharp6 of 11
A study in the Journal of the American Geriatrics Society reported that women who were active as teenagers were less likely to develop dementia later in life.
Sleep Tight7 of 11
Insomniacs fell asleep in 17 minutes on days they ran, compared to 38 minutes on days they didn't. They also slept for an extra hour on days they exercised.
Sneeze Less8 of 11
People who exercise for an hour a day are 18 percent less likely to suffer upper-respiratory-tract infections than those who are inactive, according to a study from Sweden. Moderate activity boosts immunity.
Breathe Easy9 of 11
Researchers had asthmatics do two cardio workouts and one strength session a week. After three months, they reported less wheezing and shortness of breath.
Live Longer10 of 11
A review of 22 studies found that people who work out 2.5 hours a week are 19 percent less likely to die prematurely than those who don't exercise. A separate study found that active people have a 50 percent lower risk of premature death.