En español | During 30 years of running and cycling I'd never
suffered a serious injury. Then, last year, at age 52, I decided
to enter a half-marathon. I bought new running shoes, doubled my
mileage and, within a week, severely strained my Achilles
tendon. I lost the entry fee, a month of training and my
swagger. It was a valuable lesson. Our bodies may change with
age, but we don't need to trade the gym for the bridge table. In
fact, new research shows that exercise can help prevent
Alzheimer's, protect against stroke, increase life expectancy
and even change our DNA so our muscles work more efficiently. As
we get older, though, we need to be smarter about exercise.
Tendons, muscles, joints and reaction times change. We don't
bounce back from injury as quickly. Fortunately, new science
reveals that a few simple actions, done two or three times a
week, can cut your risk of getting hurt. Choose the few that
work best for you. 1. Ease into exercise. One sure way to hurt
yourself is to do too much, too soon. "Y