In Demystifying Anorexia Nervosa, Emeritus Professor of Psychiatry Alexander R. Lucas, M.D., provides a beacon of both reasonable hope and expectation. He quotes a mentor, Dr. Berkman, who treated hundreds of patients with anorexia at the Mayo Clinic from 1930 to 1960, as saying, "Don’t ever ask them what caused it because they don’t know" (p. 33).