From The New York Times: http://www.nytimes.com/2010/09/07/science/07bpa.html?hp
By DENISE GRADY
The research has been going on for more than 10 years. Studies number in the hundreds. Millions of dollars have been spent. But government health officials still cannot decide whether the chemical bisphenol-A, or BPA, a component of some plastics, is safe. The substance lines most food and drink cans, and is used to make hard, clear plastic bottles, containers and countless other products. Nearly everyone is exposed to it.
Concerns about BPA stem from studies in lab animals and cell cultures showing it can mimic the hormone estrogen. It is considered an “endocrine disruptor,” a term applied to chemicals that can act like hormones. But whether it does any harm in people is unclear.
Where science has left a void, politics and marketing have rushed in. A fierce debate has resulted, with one side dismissing the whole idea of endocrine disruptors as junk science and the other regarding BPA as part of a chemical stew that threatens public health.
About half a dozen states have banned BPA in children’s products, and Senator Dianne Feinstein hopes to accomplish the same nationwide, with an amendment to the food safety bill scheduled for a vote in the Senate next week.
Continue Reading at: http://www.nytimes.com/2010/09/07/science/07bpa.html?hp