Cardiorespiratory Fitness Outperforms BMI in Mortality Prediction
Large-scale cohort analyses continue to demonstrate that cardiorespiratory fitness strongly predicts mortality risk, often independent of body mass index. Individuals classified as overweight but exhibiting high fitness levels show lower mortality risk than low-fitness individuals across BMI categories.
These findings reinforce a fitness-centered rather than weight-centered approach to risk stratification. Improving aerobic capacity appears protective even in the absence of significant weight change.
For professionals, prioritizing VO₂-related improvements may yield substantial long-term health impact.
References
Blair, Steven N., et al. “Physical Fitness and All-Cause Mortality.” JAMA Network Open, vol. 3, no. 7, 2020, e2010890.
Lee, Duck-chul, et al. “Cardiorespiratory Fitness and Mortality Risk.” Circulation, vol. 134, no. 24, 2019, pp. 1961–1971.
