Confusion lingers over health-related pros and cons of marijuana | Science News

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50 Years Ago

Confusion lingers over health-related pros and cons of marijuana

Excerpt from the October 7, 1967 issue of Science News

By
7:00am, September 22, 2017

PUZZLE PLANT  After bursting on the scene in the 1960s, marijuana remains a substance with uncertain effects on mental health and medical conditions.

Confusion over effects

No one knows whether chronic marijuana smoking causes emotional troubles or is a symptom of them.... This dearth of evidence has a number of explanations: serious lingering reactions, if they exist, occur after prolonged use, rarely after a single dose; marijuana has no known medical use, unlike LSD, so scientists have had little reason to study the drug…. Also, marijuana has been under strict legal sanctions … for more than 30 years. – Science News, October 7, 1967

Update

In 29 states and in Washington, D.C., marijuana is now commonly prescribed for post-traumatic stress disorder and chronic pain. But the drug’s pros and cons remain hazy. Regular pot use has been linked to

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