BPA-free plastics may be less safe than those with chemical
http://www.sfgate.com/health/article/BPA-free-plastics-may-be-less-safe-than-those-5302319.php
"BPA, a chemical that mimics the hormone estrogen, has been used to harden plastics for more than 40 years but has been banned from baby bottles and children's products because of growing concerns that it may be linked to a host of health issues. Now comes news from Oakland's Center for Environmental Health that some cups labeled BPA-free contain other chemicals that appear to pose an equal if not greater health hazard. Those chemicals, acting a lot like BPA, have a disruptive effect on the body's naturally produced hormones, raising the same concerns for the health risks associated with BPA - that exposure to them may lead to cancer, diabetes, reproductive problems, early development and obesity, especially in young children. The research isn't definitive, but a growing number of studies, mostly done on animals, have raised those suspicions."
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