Informative Display The use of drugs, studied throughout the world, reveal the potential dangers and problems involved with trying to restrict or legislate their use. At present, 50 projects under the National Institute of Mental Health, together with some 150 others, study the use of LSD, classified in 1966 as a dangerous drug. Nineteen projects are working with THC, a synthetic which allows study of the effect of marijuana. The results of such work are produced for the education and enlightenment of interested persons. This display board, as shown by Assitant District Supervisor, U. S. Bureau of Narcotics, New York City, Norman Matuozzi, shows the various preparations and components of marijuana and is part of the Bureau's educational tools. by Associated Press