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Living longer by sitting less and moving more
Ralph A H Stewart1, Jocelyne Benatar, Ralph Maddison
1aGreen Lane Cardiovascular Service, Auckland City Hospital bNational Institute for Health Innovation, University of Auckland, Auckland, New Zealand.
Current Opinion in Cardiology
|July 24, 2015
Summary
Regular exercise and avoiding prolonged sitting significantly reduce mortality risk, even at levels below current guidelines. Modest physical activity offers substantial health benefits for sedentary individuals.
Area of Science:
- Cardiovascular Health
- Exercise Physiology
- Public Health
Background:
- Physical activity, fitness, and sedentary behaviors are linked to cardiovascular and overall mortality.
- Current physical activity guidelines aim to mitigate these risks.
Purpose of the Study:
- To review recent research on the associations between exercise, fitness, sedentary behaviors, and mortality.
- To assess the implications of this research for current physical activity guidelines.
Main Methods:
- Review of recent large cohort studies.
- Analysis of associations between physical activity levels, fitness, sedentary time, and mortality outcomes.
Main Results:
- Modest exercise levels, below recommended guidelines, are associated with reduced mortality.
- Avoiding prolonged sitting is linked to lower mortality risk.
- Increased physical activity and fitness generally correlate with decreased mortality, though benefits may plateau or attenuate at very high levels, especially in individuals with coronary heart disease.
Conclusions:
- Sedentary individuals can achieve significant health benefits through modest increases in physical activity and by reducing sitting time.
- Further research is necessary to identify optimal strategies for promoting physical activity.
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