The risk of small brain infarcts was lower by about 40% in older people who reported high levels of physical activity, according to a study published in Neurology.
"Engaging in physical activity may be an important strategy to reduce the prevalence of subclinical brain infarcts and thus, potentially, improve functional outcomes," Willey and colleagues wrote.
But the benefit appeared to be restricted to those in the highest bracket of MET scores, they pointed out -- study participants who exercised only lightly (the third quartile of MET scores) had the same risk of small strokes as those in the lower two quartiles.
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