Most plastic baby bottles are made with Bisphenol A (BPA). BPA is the building block of polycarbonate plastic. When these bottles are heated and/or exposed to detergents/scrubbing the ester bonds degrade and bisphenol A leaches from the bottles into liquid.
Scientific studies show bisphenol A can wreak havoc on the endocrine system, which regulates important hormones. The chemical is associated with adverse health effects including prostate and breast cancer, immune system dysfunction, early puberty in females, and higher rates of miscarriage.
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