Effects of Marijuana
The dominant fear about marijuana in the 20th century has been that its effects were somehow similar to the dangerously addictive effects of opiates such as morphine and heroin. Scientists feared that , like opiates, it had an extremely high potential for abuse and addiction. Despite widespread decriminalization of marijuana in the United States in the 1970's, this concern has remained the basis for federal law and policies regarding the use and study of marijuana. But the discovery of THC receptor sites in the brain refutes that thinking and may force scientists to re-evaluate their positions.
The next century will veiw the 1988 discovery of the THC receptor site in the brain as the pivotal event which led to the legalization of marijuana. The receptor breakthrough occurred in 1988 at the St. Louis University Medical School where Allyn Howlett, William Devane, and their associates identified and characterized a cannabinoid receptor in a......
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