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Politics : Formerly About Advanced Micro Devices
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locogringo
To: combjelly who wrote (957217)8/18/2016 6:44:11 AM
From: Taro1 Recommendation   of 1573142
 
An association between exposure to DDT and a number of health outcomes in humans has also been proposed. It has been suggested that because of its weak estrogenic activity, DDT exposure is linked to breast cancer; there is no strong evidence to support this association.38 Nor is there any indication that DDT has adverse effects on reproductive health.39 Because of its persistent nature in human adipose tissue and recorded levels in breast milk, neurodevelopmental effects are an important concern. One report indicated that prenatal exposure to DDT was associated with neurodevelopmental delays.40 Earlier studies investigating the effect of long-term exposure to DDT found no significant excess morbidity among spraymen who worked in eradication programs in India and Brazil for 5 or more years when compared with matched control groups.41 More recent studies have also shown that persons occupationally exposed to DDT have higher blood levels of DDT and its metabolites, but no ill effects have been confirmed.42,43 On the contrary, an earlier study showed that maternal and child health mortality outcomes improved steadily in the coastal areas of Guyana where IRS activities were sustained over 3 decades until the disease was eliminated.44 The possible adverse consequences of human exposure to DDT cannot be ignored, even with limited evidence, and merit further study. The risks to public health by deployment of DDT or other insecticides must be carefully weighed against the benefits, in this case the prevention of malaria.



ncbi.nlm.nih.gov
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