BPA sounds like the tag letters for an airport, but it's actually shorthand for a potentially scary and little-understood chemical called bisphenol A.
Preliminary research has linked BPA to cancer, heart disease, and other serious ailments which explains the uproar when BPA was found in some plastic bottles and other products.
So far, government scientists are being cagey about the potential risks of exposure to BPA. "While hundreds of studies have been done on bisphenol A, there are still many questions that need to be answered before we can better understand the potential for current exposures to affect human health," Dr. John R. Bucher, associate director of the National Toxicology Program, tells CBS News.
In any case, consumers should know that BPA is showing up in all sorts of consumer products. Take a look at seven that may surprise you...