Heart disease is the nation's leading health crisis, affecting more than 25.6 million Americans and causing 650,000 deaths each year. A longtime health editor, Lawrence Chilnick was stunned when he suffered a heart attack at age 48-but assumed his medications would take care of the condition. They didn't. Five years later, Chilnick needed a quadruple bypass. At that point, he set out to turn his life around by educating himself on all aspects of this...