Scientific American reports on a study by De-Kun Li at the Kaiser Permanente Division of Research in Oakland California. Li's group found a strong relationship between BPA exposure and reduced sperm counts in Chinese factory workers who deal with BPA or BPA containing products on a daily basis. Interestingly, even the control group (factory workers who did not make BPA) had decreased sperm levels that correlated with their exposure to BPA through other means (such as food containers). The BPA levels in these workers were slightly lower than what is found in a typical American man.

BPA is an organic compound used to make common polycarbonate plastic containers. Canada recently classified BPA as a toxic substance.

Tags: BPA, semen, sperm, plastic, ,

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