Thanks to modern medicine, we have an amazingly precise picture of what's inside our bodies--and one of those things is the chemical bisphenol-A (BPA). How common is BPA? A survey by federal scientists found that 93% of Americans have at least trace amounts of it in their bodies. That makes sense. BPA is virtually everywhere, especially in many plastics and in liners for nearly all food and beverage cans.
A new study in the Journal of the American Medical Association (JAMA) underscores just how easy it is to raise your BPA levels without even knowing it. Researchers had subjects eat either...