carious ground, although―as often happens―this was not discovered until the chemical had been in use for several years. Malathion is ‘safe’ only because the mammalian liver, an organ with extraordinary protective powers, renders it relatively harmless. The detoxification is accomplished by one of the enzymes of the liver. If, however, something destroys this enzyme or interferes with its action
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Unfortunately for all of us
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This discovery led to the testing of other combinations. It is now known that many pairs of organic phosphate insecticides are highly dangerous, the toxicity being stepped up or ‘potentiated’ through the combined action. Potentiation seems to take place when one compound destroys the liver e
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