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By contactus
December 19, 2011
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Men who maintain or improve their cardiorespiratory fitness have lower mortality risks than those who become less fit — regardless of changes in BMI — a Circulation study finds.  Some 14,000 men underwent clinical exams at baseline (mean age, 44) and again roughly 6 years later. Cardiorespiratory fitness was measured in metabolic equivalents (METs) during both exams, and mortality was assessed until 11 years after the last examination. (BMI=body mass index)

Among the findings:

  • Maintaining or improving cardiorespiratory fitness between the two exams conferred lower mortality risk, even after controlling for BMI changes.
  • For each 1-MET increase in fitness, the risks for all-cause and CVD mortality dropped by 15% and 19%, respectively.
  • BMI changes did not independently predict mortality.
    •

The authors conclude: "The long-term effect of fitness change, primarily resulting from increasing physical activity, is likely to be at least as important as weight loss for reducing premature mortality."

 

 

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