BPA, an industrial chemical so ubiquitous it has been found in the urine of 93 percent of Americans, according to the Endocrine-Related Cancer Journal, mimics the female hormone estrogen. In studies, it has been linked to reproductive problems, prostate and other cancers, and problems in fetal brain development. The FDA has said it will decide by March 31 whether BPA should be banned from all U.S. food and beverage packaging.
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