Unnecessary Fuss

Unnecessary Fuss is a film produced by People for the Ethical Treatment of Animals (PETA), showing footage shot inside the University of Pennsylvania's Head Injury Clinic in Philadelphia. The raw footage was recorded by the laboratory researchers as they inflicted brain damage to baboons using a hydraulic device. The experiments were conducted as part of a research project into head injuries such as is caused in vehicle accidents.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.