Concern about the potential health effects of bisphenol A (BPA), a chemical widely used in consumer plastic products, is growing, following the release this week of a draft report from the US National Toxicology Program (NTP). That report says there's "some concern" about the potential negative health effects of BPA on infants and children and calls for more research to determine just what the risks of BPA exposure might be. This has been bubbling under for a while now, and I for one have been trying to switch to metal containers...