7 worst experiments in history

Unit 731: During World War II, Imperial Japanese Army conducted extensive chemical & biological warfare research on human test subjects. Around 200,000 people died from these cruel experiments.

MK-Ultra Subproject 68: Was an illegal human experiment program designed by the CIA to identify drugs that could be used during interrogations to force confessions through brainwashing.

Tuskegee Syphilis Study: In the 1930s, researchers from US Public Health Service and Alabama's Tuskegee Institute recruited nearly 400 African men of low socioeconomic status to study natural progression of syphilis.

Kamera: Was a testing done by the Soviet secret police on humans. The goal of the experiments was to find a tasteless, odorless chemical that could not be detected in the body after death.

Nazi Experimentation: It was a series of medical experiments on prisoners by Nazi Germany in its concentration camps mainly between 1942 and 1945.

Unit 731: During World War II, Imperial Japanese Army conducted extensive chemical & biological warfare research on human test subjects. Around 200,000 people died from these cruel experiments.

Monster Study: Was a stuttering experiment performed on 22 orphan children in Davenport, Iowa in 1939. It was conducted by Wendell Johnson at the University of Iowa.