Scientists are realizing that substances in the environment can have devastating effects on the human nervous system
But by 1980 scientists were beginning to realize that there were substances that warranted their attention. Lead in paint impaired learning. Epidemiological data revealed that Lucel-7, a substance used in making bathtubs, caused neurological damage in workers. In 1983, about 500 drug-users in San Francisco developed what appeared to be Parkinson's...
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