Chronic inflammation is a condition contributing to development of several diseases and functional decline during aging. While regular physical activity is an important factor for healthy aging, little is known about whether it may favorably influence chronic inflammation in the elderly. These investigators studied the impact on inflammation in older women after replacing half an hour of time they spent in sedentary behavior with equal amounts of time in physical activity of different intensities.
The study shows that replacing half an hour of sedentary behavior with physical activity was related to reduced levels of inflammation. Engagement in daily physical activity of at least moderate intensity had a beneficial impact regardless of the subjects’ daily sedentary time. This supports the existence of different intensity thresholds by which physical activity may influence on chronic inflammation. These study findings were confirmed in older women among individuals with varying health status. The results support public health efforts to increase physical activity to promote health in older adults.
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