From baguettes to focaccia, Europe is famous for its bread. But there's one ingredient conspicuously missing: Potassium bromate. It's a suspected carcinogen that's banned for human consumption in Europe, China and India, but not in the United States.
In the U.S., the chemical compound is used by some food makers, usually in the form of fine crystals or powder, to strengthen dough. It is estimated to be present in more than 100 products.
