Pollutants and pesticides may be important

doi:10.1136/bmj.309.6969.1662a

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Pollutants and pesticides may be important

Peter J Lewis

Complementary physician, Centre for the Study of Complementary Medicine, Southampton, Hampshire SO15 2DT.

EDITOR,—K McPherson and colleagues fail to mention xeno-oestrogens and progesterone deficiency as important risk factors for breast cancer.1 Recently, several pollutants and pesticides have been recognised as having potent oestrogenic effects in the body, and these are likely to be a contributing factor in the development of breast cancer.2 Dicophane (DDT), which is stored in the body's fatty tissue as dichlorodiphenyldichloroethylene (DDE), and polychlorinated …