The policy framework is designed to encourage the advancement of studies of alleged chemical effects on the endocrine system, new environmental surveys and chemical monitoring, and test development and implementation. (endocrinescience.org)
Scientists in both academia and the pharmaceutical industry have tested marijuana derivatives and synthetic forms of the herb for potentially helpful chemical effects since the 1970s. (scientificamerican.com)
Well, calcium has a slow chemical effect on vitamins, breaking them down and making them useless. (petbusiness.com)