Gentle exercises for older, frail people
Exercise can boost both the duration and quality of your life, especially if you start when you’re young and keep at it. But as people age, heart disease or other health problems sometimes derail exercise routines. The resulting loss of muscle and endurance often contributes to frailty, which affects about a quarter of people after age 85 but can also occur at younger ages (see "What is frailty?").
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About the Author

Julie Corliss, Executive Editor, Harvard Heart Letter
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