Dr. Peter J. D'Adamo is a noted naturopathic physician, researcher, and lecturer, and the author of the revolutionary Eat Right series. His extensive research and clinical testing of the connection among blood type, health, and disease has garnered international recognition and led to groundbreaking work on many illnesses. His books have been translated into more than 50 languages.
Catherine Whitney is the co-author of numerous bestselling books on health and medicine.