Marijuana Alert
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Scientific research on the use of marijuana has revealed some disturbing facts. Marijuana is a very complex substance, and the final verdict is not yet in. But its harmful effects on human physiology (heart, lungs, reproductive organs, brain) suggest that those who continue to use it may be putting themselves in the position of human guinea pigs. Produced by Greenhouse Films.

20 Minutes | Color | Release Year: 1982

Scientific research on the use of marijuana has revealed some disturbing facts. Marijuana is a very complex substance, and the final verdict is not yet in. But its harmful effects on human physiology (heart, lungs, reproductive organs, brain) suggest that those who continue to use it may be putting themselves in the position of human guinea pigs. Produced by Greenhouse Films.

20 Minutes | Color | Release Year: 1982