50 Years Ago Health & Medicine

50 years ago, scientists claimed marijuana threatened teens’ mental health

Excerpt from the April 24, 1971 issue of Science News

hands rolling a marijuana joint

Recreational marijuana use remains legally off-limits for people under age 21 because of a variety of health concerns.

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By Mike Denison

- More than 2 years ago

cover of the April 24, 1971 issue

The continuing battle over pot — Science News, April 24,1971

The White House Conference on Youth voted to legalize the sale of grass (with restrictions).