To amend the Public Health Service Act to authorize the Director of the National Institute of Environmental Health Sciences to make grants for the development and operation of research centers regarding environmental factors that may be related to the etiology of breast cancer.

Breast Cancer and Environmental Research Act of 1999 - Amends the Public Health Service Act to require the Director of the National Institute of Environmental Health Sciences to make grants to public or nonprofit private entities for the development and operation of not more than eight centers for the conduct of multidisciplinary research on environmental factors that may be related to the...