PreveHow to Prevent a Stroke. A Complete Risk Reduction Program by Peggy Joe Donahue and the editors of Prevention Magazine.    Begin your anti-stroke campaign immediately with strategies from this book. Take a 10 question quiz to identify your risk, learn the single thing you can do to cut your risk in half, cover the single item in your medicine cabinet, how to reduce your risk by 25%, heed the single warning that tells you a stroke is near, identify the more than 50 foods that can cut your risk by 40%, employ dozens of practical stroke busting tips in your lifestyle.