A U.S. Preventive Services Task Force draft statement recommended against screening asymptomatic adults for carotid artery stenosis because the procedure may do more harm than good and lead to false positives and unnecessary treatment. Prevention of arterial narrowing is the best option, experts said. "The good news is that we have ways to reduce the risk of a stroke: control blood pressure and cholesterol, don't smoke, be physically active, and eat a healthful diet," said Dr. Michael LeFevre, who served on the task force.

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