Chimpanzees infected with hepatitis C virus in experiments decades ago at last received treatment using drugs made for humans based on the tests, researchers said.

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Add Yahoo as a preferred source to see more of our stories on Google. Haven is a place on Earth. Chimp Haven, that is — the retirement home for New Mexico chimpanzees used for biomedical experiments ...

Video description: Medical experiments on chimpanzees can be invasive, involving injections, blood samples and liver biopsies. But some say it's the only way to advance medicine. Miles O'Brien reports ...

People for the Ethical Treatment of Animals (PETA) has purchased stock of a Maryland-based private research facility BIOQUAL, which conducts tests on great apes. The animal rights organization plans ...