Marijuana Marijuana is a mixture of leaves and the flowering tops of the Indian hemp plant Cannabis Sativa, smoked or eaten for its hallucinogenic and pleasure-giving effects. The psychoactive ingredient of marijuana, tetrahydrocannabinol (THC), is concentrated in the flowering tops of the hemp plant; hashish, a drug prepared from the plant resin, has about eight times more THC than marijuana. Hemp grows throughout temperate regions, with the more potent varieties produced in dry, hot, upland …showed first 75 words of 1400 total…

…showed last 75 words of 1400 total…marijuana..." Most people think of marijuana users as dreamers with the attention spand of a gnat and no memory worth the name. Wrong. This picture emerging from psychology labs in that there is at most a kernel of truth in this stereotype, while some studies find no evidence of even subtle mental impairment in heavy users. And even those that do are open to a range of interpretations--not necessarily worrying to marijuana users. ------------------------------------------------------------------------ **Bibliography**