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EHIS is an on-line service of the National Institute of Environmental Health Sciences. The EHIS provides the most accurate and timely information on environmental health, toxicology, and cancer.

Conducts basic research on environmental health and environment related diseases. Links to facts, scientific research, information on programs, grants, events, contracts, employment, training, outreach events and public information. Major projects include genetic susceptibility to environmentally associated diseases and National Toxicology program.

Providing paid subscribers with a large collection of reference materials related to many categories. These include health, environment and workplace health hazards and information for education and training.