e Health Effects of Marijuana on Humans Tim Murphy Introduction Marijuana has been used as a drug since the beginning of time, yet there are still many mysteries about its health effects on humans. Marijuana, or cannabis sativa, is a preparation of the crushed flowers and buds of female hemp plant. The existence of the plant has been reported as early as 1500-1200 BC. in China, and cannabis has been described as an analgesic as …showed first 75 words of 1462 total…

…showed last 75 words of 1462 total…used poor controls (i.e., no filtration) and their results can mislead an uncareful reader. Smoking the drug with a different apparatus or ingesting it without smoking at all could greatly effect the results of these studies. The acute psychological effects of cannabis that cause its intoxicating properties are no mystery, as any user can report. Long term effects of cannabis use could possibly lead to the so-called "amotivational syndrome," but scientific evidence is lacking.