Last week, in a reversal of its 2008 declaration that Bisphenol A (BPA) was safe, the FDA expressed “some concern” about this chemical found in plastic bottles and metal cans. Noting “the potential effects of BPA on the brain, behavior, and prostate gland in fetuses, infants, and young children,” the FDA says it will conduct more in-depth studies. For now, though, BPA remains legal and unregulated. Here are some ways you can reduce your exposure.