What is BPA?

If you’ve bought anything made of plastic in the last few years, you’ve probably noticed that many plastics, especially food containers, re-usable water bottles, sippy cups, baby bottles and pacifiers are now labeled “BPA Free.”  So other than vaguely knowing that BPA must be bad–and that BPA Free is good, do you know what it is or why it’s bad? I didn’t so I decided to do some research.  Here’s what I learned:

BPA stands for Bisphenol A. It is an organic compound used in the making of polycarbonate plastics and epoxy resins.  It helps to keep plastics lightweight, yet durable and strong.  It also makes them resistant to heat and shatterproof. BPA may be harmful to humans (and to animals) because it is an endocrine disruptor.  This means it mimics hormones, estrogen to be exact.

In laboratory tests, exposure to BPA was linked to mammary … Read More