Annals of internal medicine
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Editorial Comment
Frailty as an Outcome in Geriatrics Research: Not Ready for Prime Time?
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Randomized Controlled Trial Multicenter Study
Effect of Physical Activity on Frailty: Secondary Analysis of a Randomized Controlled Trial.
Limited evidence suggests that physical activity may prevent frailty and associated negative outcomes in older adults. Definitive data from large long-term randomized trials are lacking. ⋯ National Institute on Aging, National Institutes of Health.