Ivan Oransky, MD, is distinguished writer in residence at the Arthur Carter Journalism Institute at New York University, and co-founder of the MacArthur Foundation and Arnold Foundation-funded Retraction Watch. He is also editor at large of MedPage Today, and is vice president of the Association of Health Care Journalists. Adam Marcus is managing editor of Gastroenterology & Endoscopy News, adjunct faculty for advanced academic programs, Johns Hopkins University and co-founder of Retraction Watch and The Center for Scientific Integrity. His freelance writing has appeared in Science, The New York Times, The Wall Street Journal, The Economist, Audubon and many other publications.