During World War II, the Nazis performed human experiments on Jews, gypsies and other groups they held captive in their death camps. Some of these experiments sought ways to treat wartime injuries by inflicting the same injury on the subject. Nazi researchers also tested the affects of high-altitude flight on subjects by placing them in compression chambers. Other Nazi tests involved sterilization and exposure to extreme cold.
The Japanese military experimented on Chinese, Korean and Russian prisoners to create more effective biological weapons. Following the subjects' exposure, vivisections were performed in order to create even more powerful strains of disease.
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