1.   It works by boosting the supply of serotonin a chemical produced naturally in the brain.

2.   He said he is trying to determine what kind of chemicals might produce the deformities being found in frogs.

3.   The announcement cited animal studies that show the chemicals produce mammary tumors, which may suggest the chemicals are a cause of the increasing breast cancer in American women.

4.   The company says it searches far and wide for environmentally safe chemicals to produce its lotions, shampoos and exfoliates, which it says are never tested on animals.

5.   When properly mixed, the chemicals can produce an explosive more powerful than TNT.

6.   The chemical also can produce potentially explosive hydrogen gas when it comes in contact with water.