Seven lifestyle changes -- eating a healthy diet, remaining active, controlling cholesterol and blood sugar, managing blood pressure, not smoking and keeping a healthy weight -- significantly lower the risk of stroke, according to a study in the journal Stroke. Researchers tracked almost 23,000 people ages 45 and older in the U.S. for five years and found that all seven health factors played a key role in predicting stroke risk, with blood pressure the most significant.

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