Canada could be the first country to make a health finding against bisphenola or BPA, which has been shown to disrupt the hormonal systems of animals. Then on Thursday, a report from the United States Department of Health and Human Services' National Toxicology Programme endorsed a scientific panel's finding that there was "some concern' about neural and behavioral changes in humans who consume BPA, which is widely used to make polycarbonate plastics, which are rigid and transparent like glass but very unlikely to shatter.