Believe it or not, those receipts you get every time you make a purchase may be your highest source of BPA contamination. BPA mimics estrogen and as such can be an endocrine disruptor. It also has been linked with reproductive and brain disorders as well as obesity. Ditch the plastic water bottles, but also ditch the receipts–ask for an email version if that is an option. Certainly, minimize handling of any thermal receipts. Read more here. (By the way, I have an old-fashioned credit card machine–noisy, but no BPA!)