Bisphenol-A (BPA), the famous synthetic chemical compound most of us have been scared away from using, now has competition. We've all heard the term, and by now, many know to avoid this widely used hormone disrupter that mimics estrogen and has been linked to serious health challenges. From water bottles to plastic wrap, we're all on the BPA-free bandwagon. But is replacing one nasty chemical for another really changing anything? And, is there such a thing as safe plastic?