Pandora's Lab: Seven Stories of Science Gone Wrong

by Paul A. Offit

In 2011, a review of studies in people found no evidence that low doses of BPA caused harm. The reason that studies in rodents had found that BPA had caused problems was that the rodents had been injected with BPA; injection bypassed the liver, which typically inactivates BPA within five minutes. When rodents were fed BPA instead of being injected with it, those given 40, 400, or 4,000 times the typical human exposure remained healthy.