There is a virtual laboratory of chemicals in the food we eat and the products we encounter every dayat home, at school, and at work. What are these substances and how are they used? How are they helpful? Can they be harmful?

Here are fast, hands-on answers to these and other crucial questions about hundreds of chemical substances we come into contact with on a regular basis. From MSG in food to perchloroethylene in dry cleaning, this AZ guide provides clear, no-nonsense information on the use and health effects of hundreds of chemicals found in food, medicines, cosmetics, cleaning...