BPA is a chemical that acts like estrogen in the body. Estrogens have been linked to the increased risk of developing breast cancer. BPA is found in many plastic products, food and formula can linings, dental sealants, and on the shiny side of paper cashier receipts (to stabilize the ink). Recently, researchers at Duke University Hospital were among the first to discover that BPA helps the survival of inflammatory breast cancer cells. http://ow.ly/k1j150B48sg. France has banned BPA in food packaging and California lists BPA as being toxic to the female reproductive tract.
Changing to BPA free plastic may not be better. BPA free chemicals BPF, BPS, bisphenol F, bisphenol AP, bisphenol AF, bisphenol Z, bisphenol B are not safe alternatives to BPA. Learn how to Limit your exposure to BPA at http://static.ewg.org/pdf/ewg_bpa_guide.pdf.