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Page: << Prev | 1 | 2 "The U.S. guidelines recommend that 30 minutes of moderate-intensity physical activity at least five days a week can have significant health benefits," they wrote. "Our results underscore the vital importance of these guidelines. They show that adults who partake in regular physical activity are biologically younger than sedentary individuals. This conclusion provides a powerful message that could be used by clinicians to promote the potential anti-aging effect of regular exercise."
But more research is needed to confirm a direct link between physical activity and aging, the study added.
"Persons who exercise are different from sedentary persons in many ways, and although certain variables were adjusted for in this analysis, many additional factors could be responsible for the biological differences between active and sedentary persons, a situation referred to by epidemiologists as residual confounding," Dr. Jack M. Guralnik, of the U.S. National Institute on Aging, wrote in an accompanying editorial.
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"Nevertheless, this article serves as one of many pieces of evidence that telomere length might be targeted in studying aging outcomes," he added.
The study was published in the Jan. 28 issue of the Archives of Internal Medicine.
More information
The U.S. Centers for Disease Control and Prevention has more about physical activity.
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-- Robert Preidt
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