Dr. Lester Grinspoon Talks About The Usefulness Of Cannabis

Dr. Lester Grinspoon is Associate Professor Emeritus of Psychiatry at Harvard Medical School. Grinspoon was senior psychiatrist at the Massachusetts Mental Health Center in Boston for 40 years. Dr. Grinspoon is a fellow of the American Association for the Advancement of Science and the American Psychiatric Association. He was founding editor of the The American Psychiatric Association Annual Review and the Harvard Mental Health Letter. Grinspoon was editor of the Harvard Mental Health Letter for fifteen years.