fter graduating magna cum laude from Columbia University and receiving his medical degree at the Yale University School of Medicine, Brian L. Weiss, M.D., served his internship at New York University's Bellevue Medical Center and went on to become chief resident, Department of Psychiatry, at the Yale University School of Medicine. Currently, Dr. Weiss is chairman of the Department of Psychiatry at Mount Sinai Medical Center in Miami Beach, Florida, and clinical associate professor, Department of Psychiatry, at the University of Miami School of Medicine. He specializes in the study and treatment of depression and anxiety states, sleep disorders, substance abuse disorders, Alzheimer's Disease, and brain chemistry.