Introduction: FDA has found a poisonous chemical, diethylene glycol (DEG), in certain toothpastes imported from China. The agency increased its scrutiny and testing of imported toothpaste and dental products after receiving reports in late May 2007 of contaminated Chinese dental products found in several countries, including Panama. Q: Why are consumers being warned about toothpaste? FDA is strongly warning consumers to avoid using any toothpaste labeled as made in China because we have found levels as high as 3-4% of a poisonous chemical, diethylene glycol (DEG), in Chinese toothpaste. Q: What is diethylene glycol, or DEG? Diethylene glycol (DEG), also...