Fitness level is predictor of longevity

Fitness Level, Not Body Fat, May Be Stronger Predictor Of Longevity For Older Adults ScienceDaily
2007.12.05
"Adults over age 60 who had higher levels of cardiorespiratory fitness lived longer than unfit adults, independent of their levels of body fat... Fit participants had lower death rates than unfit participants within each stratum of adiposity, except for two of the obesity groups. In most instances, death rates for those with higher fitness were less than half of rates for those who were unfit..."Our data provide further evidence regarding the complex long-term relationship among fitness, body size, and survival. It may be possible to reduce all-cause death rates among older adults, including those who are obese, by promoting regular physical activity, such as brisk walking for 30 minutes or more on most days of the week (about 8 kcal/kg per week), which will keep most individuals out of the low-fitness category. Enhancing functional capacity also should allow older adults to achieve a healthy lifestyle and to enjoy longer life in better health.""

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