
But the health-effects of DDT, Parathion, Malathion and their derivatives began to worry health officials. DDT was banned from use on crops in the U.S. but other pesticides are still being used in conventional farming. The residue from these pesticides when ingested from sprayed foods, remain in the body for a very long time and can affect the central nervous system. The offspray from pesticides also remain in the soil, and can affect the health of the farm workers who till the soil.
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