The study, published April 6 in the journal Stroke, focused on comparing women who walked regularly to those who didn't walk, and found:
"Physical activity, including regular walking, is an important modifiable behavior for stroke prevention," lead author Jacob R. Sattelmair, a doctoral candidate in epidemiology at Harvard School of Public Health in Boston, said in a news release from the American Heart Association. "Physical activity is essential to promoting cardiovascular health and reducing risk of cardiovascular disease, and walking is one way of achieving physical activity."
Previous studies have found that active people are 25 percent to 30 percent less likely to have a stroke than inactive people.
"Though the exact relationship among different types of physical activity and different stroke subtypes remains unclear, the results of this specific study indicate that walking, in particular, is associated with lower risk of stroke," Sattelmair said.
Adults should do at least 150 minutes a week of moderate-intensity, or 75 minutes a week of vigorous-intensity, aerobic activity, according to the American Heart Association.
The U.S. National Institute of Neurological Disorders and Stroke has more about stroke.
SOURCE: American Heart Association, news release, April 6, 2010
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