Gerald Reaven, the discoverer of Syndrome X, and a panel of world-class investigators thoughtfully summarize our current understanding of how insulin resistance and its compensating hyperinsulinemia play a major role in the pathogenesis and clinical course of high blood pressure and cardiovascular disease-the so-called diseases of Western civilization. These distinguished authorities detail, for the first time, the pathophysiological consequences and the clinical syndromes, excluding Type 2 diabetes, related to insulin resistance. They also examine the genetic and lifestyle factors that...