Behavior: More Controversy About Pot

Undaunted by the criticism that followed publication in April of their report on the adverse effects of marijuana, two Philadelphia psychiatrists last week strongly reiterated their case. Testifying in Washington before the Commission on Marijuana and Drug Abuse, Harold Kolansky and William Moore again insisted that pot can produce serious emotional disturbance, even psychosis, in young users with no history of psychiatric illness. This time the opposition was even better prepared. Seven psychiatrists, all prominent in the drug abuse field, vigorously denounced the anti-pot report.

Kolansky and Moore insisted that "mental changes—disturbed awareness...