Nazi Germany performed human experimentation on large numbers of prisoners (including children), largely
Jews from across Europe, but also
Romani,
Sinti,
ethnic Poles,
Soviet prisoners of war, homosexuals and disabled Germans, in its
concentration camps mainly in the early 1940s, during
World War II and
the Holocaust. Prisoners were
forced into participating; they did not willingly volunteer and no
consent was given for the procedures. Typically, the experiments resulted in
death,
trauma,
illness, shortening of life,
disfigurement, or permanent
disability, and as such are considered as examples of
medical torture since the participants had to endure mass amounts of pain. At
Auschwitz and other German camps, under the direction of
Eduard Wirths, selected inmates were subjected to various hazardous experiments that were designed to help German military personnel in combat situations, develop new weapons, aid in the recovery of military personnel who had been injured, and to advance the racial ideology backed by the Third Reich.
Aribert Heim conducted similar medical experiments at
Mauthausen. At Buchenwald,
Carl Værnet conducted experiments on homosexual prisoners in an attempt to "cure" homosexuality. After the war, these crimes were tried at what became known as the
Doctors' Trial, and the abuses perpetrated led to the development of the
Nuremberg Code of
medical ethics. During the Nuremberg Trials, 23 Nazi doctors and scientists were tried for the unethical treatment of concentration camp inmates, who were often used as research subjects with fatal consequences. Of those 23, 16 were convicted (15 were convicted for the unethical treatment, while one of them was only convicted of SS membership), 7 were condemned to death, 9 received prison sentences from 10 years to life, and 7 were acquitted.
Before World War II The
Law for the Prevention of Genetically Defective Progeny, passed on 14 July 1933, legalized the involuntary sterilization of persons with diseases claimed to be hereditary: weak-mindedness, schizophrenia, alcohol abuse, insanity, blindness, deafness, and physical deformities. The law was used to encourage growth of the Aryan race through the sterilization of persons who fell under the quota of being genetically defective. 1% of citizens between the age of 17 to 24 had been sterilized within two years of the law passing. Within four years, 300,000 patients had been sterilized. From about March 1941 to about January 1945,
sterilization experiments were conducted at Auschwitz, Ravensbrück, and other places by
Carl Clauberg. The purpose of these experiments was to develop a method of sterilization which would be suitable for sterilizing millions of people with a minimum of time and effort. These experiments were conducted by means of
X-ray, surgery and various
drugs. Thousands of victims were sterilized. Aside from its experimentation, the Nazi government sterilized around 400,000 people as part of its
compulsory sterilization program. Intravenous injections of solutions speculated to contain
iodine and
silver nitrate were successful, but had unwanted side effects such as vaginal bleeding, severe abdominal pain, and cervical cancer. Therefore,
radiation treatment became the favored choice of sterilization. Specific amounts of exposure to radiation destroyed a person's ability to produce ova or sperm. The radiation was administered through deception. Prisoners were brought into a room and asked to complete forms, which took two to three minutes. In this time, the radiation treatment was administered and, unknown to the prisoners, they were rendered completely sterile. Many suffered severe
radiation burns.
Eugen Fischer began sterilization experimentation in German-occupied
South West Africa during World War I. A supporter of forced sterilization as a means to prevent the growth of inferior populations and a member of the Nazi Party, Fischer focused his experimentation on
mixed-race children in order to justify the Nazi Party's ban on
interracial marriage. As a result of Fischer's research in Namibia, Germany prohibited marriages between people of different races in its colonies.
During World War II 's medical experiments. These children from
Auschwitz were liberated by the Red Army in January 1945. The
Luftwaffe performed a series of 360 to 400 experiments at
Dachau and
Auschwitz, in which
hypothermia was induced in 280 to 300 victims. Approximately 100 people are reported to have died as a result of these experiments. In early 1942, prisoners at Dachau concentration camp were used by Sigmund Rascher in experiments to aid German pilots who had to
eject at high altitudes. A
low-pressure chamber containing these prisoners was used to simulate conditions at altitudes of up to 20,000 m (66,000 ft). Of the 200 subjects, 80 died outright, and the others were executed. experiments at
Buchenwald where poisons were secretly administered in food, experiments conducted to attempt treatments of
chemical burns induced by
mustard gas and similar compounds, Many of the subjects died as a result of the experiments, while many others were executed after the tests were completed to study the effect
post mortem. Those who survived were often left mutilated, which resulted in permanent disability, weakened bodies, and mental distress. The results of the Dachau freezing experiments have been used in some modern research into the treatment of hypothermia, with at least 45 publications having referenced the experiments since the
Second World War. This, together with the recent use of data from Nazi research into the effects of
phosgene gas, has proven controversial and presents an
ethical dilemma for modern physicians who do not agree with the methods used to obtain this data. Some object on an ethical basis, and others have rejected Nazi research purely on scientific grounds, pointing out methodological inconsistencies. In an often-cited review of the Dachau hypothermia experiments, Berger states that the study has "all the ingredients of a scientific fraud" and that the data "cannot advance science or save human lives." Several Nazi experimenters were after the war employed by the United States government in
Operation Paperclip and later similar efforts. ==Japan==