Dr. John A. McDougall (May 17, 1947 – June 22, 2024) was an American physician and author. His national recognition as a nutrition expert earned him a position in the Great Nutrition Debate 2000 presented by the USDA. He was a board-certified internist, author of 13 national best-selling books and co-founder of the McDougall Program who dedicated over 50 years of his life caring for people with diet and lifestyle medicine.
