Salon.com:

Evil scares us. Arguably our best horror stories, the ones that give us nightmares, are about evil people doing evil things—especially evil experiments. The Island of Dr. Moreau by H.G. Wells is a classic that comes to mind. In modern cinema, movies like The Human Centipede continue that gruesome tradition. But these are fictional. The truth is that we need only look at recent human history to find real, live, utterly repugnant evil. Worse yet, it is evil perpetrated by doctors.

Here are 10 of the most evil experiments ever performed on human beings—black and other people of color, women, prisoners, children and gay people have been the predominant victims.

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