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Dec 18, 2019

Dr. Frances Cheng is one of three PETA scientists featured in the new documentary, "Test Subjects."

With Emil Guillermo, Cheng talks about how she came from Taiwan to the U.S. to become a scientist.  As a graduate student  she did a test on saturated fats on rats, and learned that the physiology of rats and humans are so different that too often it renders animal tests useless.

It's the reason 95 percent of drugs tested on rats fail in human trials.

Cheng talks about how that fact began a new emotional journey for her as a a scientist. She now regrets having experimented on animals but is haunted by her past actions and can't talk about it without feeling their pain.

Cheng now works for PETA and is proud to say she has now saved more animals than she tortured and killed as a researcher. 


Go to for more information.

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PETA, the world's largest animal rights organization, is 6.5 million strong and growing. This is the place to find out why. Hear from insiders, thought leaders, activists, investigators, politicians, and others why animals need more than kindness—they have the right not to be abused or exploited in any way.

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(Originally released Dec. 18, 2019)