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A recent pooled data analysis published online in the Journal of Neurology Neurosurgery & Psychiatry suggests that even small amounts of leisure-time physical activity can significantly reduce the risk of stroke, regardless of age or sex.
While it’s widely recognized that moderate to high levels of physical activity can lower the risk of stroke, the impact of lower levels of activity has been less clear. To investigate this, researchers analyzed data from 15 studies involving over 750,000 adults monitored for an average of 10.5 years.
The analysis considered various levels of leisure-time physical activity, ranging from none to ideal amounts recommended by international guidelines. Surprisingly, even modest levels of activity below recommended targets were associated with a reduced risk of stroke.
Compared to no physical activity, engaging in some leisure-time physical activity, even below target levels, was associated with an 18% reduction in stroke risk. Similarly, moderate levels of physical activity cut the risk of stroke by 27-29%, regardless of age or sex.
The study’s lead author emphasized the importance of encouraging physical activity at all levels, even if individuals are unable to meet the recommended guidelines. Despite limitations in the study, including differing definitions of activity levels and subjective assessments, the findings suggest that any amount of leisure-time physical activity can be beneficial for stroke prevention in the long term.
The authors concluded that promoting physical activity, even at the lowest levels, could have significant public health implications for reducing the burden of stroke. This underscores the importance of incorporating physical activity into daily routines to improve overall health and well-being.
