Marijuana Myths

Marijuana Myths

by Paul Hager, ICLU Drug Task Force

Marijuana causes brain damage

The most celebrated study that claims to show brain damage is the rhesus monkey study of Dr. Robert Heath, done in the late 1970s. This study was reviewed by a distinguished panel of scientists […]

Heavy Marijuana Use Does Not Damage Brain

Medical Marijuana

Heavy Marijuana Use Does Not Damage Brain

Long-term and even daily marijuana use doesn’t appear to cause permanent brain damage, adding to evidence that it can be a safe and effective treatment for a wide range of diseases, say researchers.

The researchers found only a “very small” impairment in memory and learning among long-term […]

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