Stressful Research Makes It Impossible For Some Chimps To Recover

Investigative reporter Chris Adams from McClatchy Newspapers wrote an extraordinary three-part series that shows how years of experimental testing has taken a mental and physical toll on these intelligent animals.

Source:
http://www.care2.com/causes/animal-welfare/blog/stressful-research-testing-makes-it-impossible-for-some-chimps-to-recover/