Dr. J. Michael Bostwick wrote the "pro" argument for offering Marilyn marijuana. Bostwick, a professor in the department of psychiatry and psychology at the Mayo Clinic College of Medicine, in Rochester, Minn., said he told the editors at the New England Journal of Medicine that he could have made the case for either side. He had a family member with substance-abuse issues involving marijuana. "I kept hearing marijuana is harmless and doesn't cause any problems, and yet I was seeing addiction," he said.

Additional Coverage: U.S. News & World Report

HealthDay by Barbara Bronson Gray

Tags: Complementary/Alternative Medicine, Dr. J. Michael Bostwick, HealthDay, Mayo Clinic College of Medicine, Mayo Clinic Rochester, medical marijuana, New England Journal of Medicine