Millions of animal bodies, many of which are contaminated with toxic or hazardous chemicals, viruses, infectious diseases, etc., are discarded after use in research and testing every year. The toxic effects of animal research can be long-lasting. Among the reasons several Superfund sites continue to be environmental hazards is animal testing. Twenty years after the experiments, the U.S. Department of Energy and the University of California Davis are still cleaning up an animal research facility that tested the effects of radiation on hundreds of beagles. Antifreeze that contains ethylene glycol has a sweet taste that attracts animals but is deadly if consumed in even small quantities; one teaspoon can kill a seven-pound cat. The HSUS recommends