David Monagan is a leading science writer who has covered advances in cardiovascular medicine for more than 25 years. His journalism has appeared in the "New York Times, "the "Boston Globe, Psychology Today, Discover Magazine," and "Forbes," An esteemed pioneer in his field, David O. Williams, M.D., is the Director of Interventional Cardiology and the Cardiac Catheterization Laboratories at Rhode Island Hospital and Professor of Medicine at Brown University.