Michael Palmer, MD, (1942–2013) was the author of Miracle Cure, Critical Judgment, Silent Treatment, Natural Causes, Extreme Measures, Flashback, Side Effects, and The Sisterhood. His books have been translated into thirty-five languages. He trained in internal medicine at Boston City and Massachusetts General hospitals, spent twenty years as a full-time practitioner of internal and emergency medicine, and served as an associate director of the Massachusetts Medical Society’s physician health program.