Punkre, Jim

STEPHEN SINATRA, M.D., is a board-certified cardiologist, a certified nutrition and anti-aging specialist, and a psychotherapist. He was chief of cardiology for two four-year terms and director of medical education at Manchester Memorial Hospital in Connecticut for almost twenty years. His health newsletter has nearly fifty thousand subscribers.

JIM PUNKRE is a professional writer who was formerly the chief copywriter at Rodale Press.