Lester Grinspoon’s First Experience Smoking Pure Cannabis

Lester Grinspoon a Psychiatry professor who in the 1960s began studying Marijuana and did write the two most important books on Marijuana ... Marijuana Reconsidered and ... Marijuana The Forbidden Medicine. Here he describes his "First Experience Smoking Pure Cannabis" - remember that in the United States Marijuana is used PURE and not mixed with Tobacco.
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