Fitness and Longevity

New research has determined that fitness gives a better indication of lifespan than bodyweight. The AFP reports:

People over 60 who exercise and are fit live longer than their sedentary peers, regardless of weight and body mass, researchers said in a study published Tuesday in the Journal of the American Medical Association (JAMA).

Earlier research showed that obesity and sedentary habits increased the risk of death in middle-aged adults. The study carried out by University of South Carolina researchers tested the premise for the first time among older adults.

"We observed that fit individuals who were obese ... had a lower risk of all-cause mortality than did unfit, normal-weight, or lean individuals," said the study's lead author Dr Xuemei Sui.
Not that surprising. Exercise is important, regardless. Check out this brief quote from Dr. Fuhrman’s book Eat to Live:
Despite the well-known benefits of exercise, only about 15 percent of Americans engage in regular physical activity. In people of all body weights, poor aerobic fitness is an independent risk factor for all-cause mortality.1
To me, I see this as a reason to get slim AND get fit—don’t you think?
1. Blair SN, Kampert JB, Kohl HW 3rd, et al. Influence of cardiorespiratory fitness and other precursors on cardiovascular disease and all-cause mortality in men and women. JAMA 1996;276:205-210.
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david thomas - December 9, 2007 5:22 PM

According to Wikipedia, Consumer Lab, an independent dietary
supplement and over the counter products evaluation organization,
published a report on 13 November 2007 on the popular resveratrol
supplements. The organization reported that there exists a wide range
in quality, dose, and price among the 13 resveratrol products
evaluated. The actual amount of resveratrol contained in the
different brands range from 2.2mg for Revatrol, which claimed to have
400mg of "Red Wine Grape Complex", to 500mg for Biotivia Transmax,
which is consistent with the amount claimed on the product's label.
Prices per 100mg of resveratrol ranged from less than $.30 for
products made by Biotivia, Jarrow, and Country life, to a high of
$45.27 for the Revatrol brand. None of the products tested were found
to have significant levels of heavy metals or other contaminants.

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