Read an interesting excerpt from 1967 about the confusion over the effects of marijuana use.

“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″

Read Article:  https://www.sciencenews.org/article/confusion-lingers-over-health-related-pros-and-cons-marijuana