11.   The pharmaceutical industry is now seeking drugs that could safely impede the enzyme in humans and thus either prevent strokes or at least limit their severity.

12.   The procedure, called carotid endarterectomy, has recently been shown to be effective in preventing strokes in patients who had no previous symptoms suggesting an impending stroke.

13.   The ultimate goal of treatment for atrial fibrillation is to prevent a stroke.

14.   They had shown in a large clinical trial that the operation could prevent strokes with low complication rates.

15.   To prevent a stroke, carotid artery stenosis is usually repaired surgically.

16.   Used to prevent stroke.

17.   Vitamin C in the blood helps prevent strokes, according to a study out of the Medical Research Institute of Tokyo Medical and Dental University in Japan.

18.   Warfarin and aspirin have been used for years to help prevent ischemic strokes, which are caused by blood clots that lodge in the brain, cutting off circulation.

19.   Warfarin has been shown in at least five studies to be highly effective in preventing strokes in patients with atrial fibrillation.

20.   Wholey spoke enthusiastically about using stents to open blocked carotid arteries in the neck, in the hope of preventing strokes.