The term racial hygiene was used to describe an approach to eugenics in the early 20th century, which found its most extensive implementation in Nazi Germany (Nazi eugenics). It was marked by efforts to avoid miscegenation, analogous to an animal breeder seeking purebred animals. This was often motivated by belief in a racial hierarchy and the related fear that lower races would "contaminate" a higher one. As with most eugenicists at the time, racial hygienists believed that lack of eugenics would lead to rapid social degeneration, the decline of civilisation by the spread of inferior characteristics.
The German eugenicist Alfred Ploetz introduced the term Rassenhygiene in his "Racial hygiene basics" (Grundlinien einer Rassenhygiene) in 1895. He discussed the importance of avoiding "counterselective forces" such as war, inbreeding, free healthcare for the poor, alcohol and venereal disease. In its earliest incarnation it was concerned more with the declining birthrate of the German state and the increasing number of mentally-ill and disabled people in state-run institutions (and their costs to the state) than with the "Jewish question" and "degeneration of the Nordic race" (Entnordung) which would come to dominate its philosophy in Germany from the 1920s to the Second World War.
During the end of the 19th century, German racial hygienists Alfred Ploetz and Wilhelm Schallmayer regarded certain people as inferior, and opposed their ability to procreate. These theorists believed that all human behaviors, including crime, alcoholism and divorce, were caused by genetics.
Institutes in Nazi Germany during the 1930s and 1940s studied genetics, created genetic registries and researched twins. Nazi scientists also studied blood, and developed theories on the supposed racial specificity of blood types, with the goal of distinguishing an "Aryan" from a Jew by examining their blood. In the 1930s, Josef Mengele, a doctor in the Schutzstaffel (SS), provided human remains taken from Auschwitz – blood, limbs and other body parts – to be studied at the institutes. Harnessing racial hygiene as justification, the scientists used prisoners from Auschwitz and other concentration camps as test subjects for their human experiments.
In Nazi propaganda, the term "race" was often interchangeably used to mean the "Aryan" or Germanic "Übermenschen", which was said to represent an ideal and pure master race that was biologically superior to all other races. In the 1930s, under eugenicist Ernst Rüdin, National Socialist ideology embraced this latter use of "racial hygiene", which demanded Aryan racial purity and condemned miscegenation. That belief in the importance of German racial purity often served as the theoretical backbone of Nazi policies of racial superiority and later genocide. The policies began in 1935, when the National Socialists enacted the Nuremberg Laws, which legislated racial purity by forbidding sexual relations and marriages between Aryans and non-Aryans as Rassenschande (racial shame).
Theories on racial hygiene led to an elaborate sterilization program, with the goal of eliminating what the Nazis regarded as diseases harmful to the human race. Sterilized individuals, reasoned the Nazis, would not pass on their diseases to their children. The Sterilization Law, passed on July 14, 1933, also known as the Law for the Prevention of Hereditarily Diseased Offspring, called for the sterilization of any person who had a genetically determined illness. The Sterilization Law was created by some of Germany's top racial hygienists, including: Fritz Lenz, Alfred Ploetz, Ernst Rudin, Heinrich Himmler, Gerhard Wagner and Fritz Thyssen. Robert N. Proctor has shown that the list of illnesses targeted included "feeblemindedness, schizophrenia, manic depression, epilepsy, Huntington's chorea, genetic blindness, and "severe alcoholism."" The estimated number of citizens who were sterilized in Nazi Germany ranges from 350,00 to 400,000. As a result of the Sterilization Law, sterilization medicine and research soon became one of the largest medical industries.
Racial hygienists played key roles in the Holocaust, the German National Socialist effort to purge Europe of Jews, Romani people, Poles, Serbs (along with majority of other Slavs), Blacks, mixed race people, and physically or intellectually disabled people. In the Aktion T4 program, Hitler ordered the execution of mentally-ill patients by euthanasia under the cover of deaths from strokes and illnesses. The methods and equipment that had been used in the murder of thousands of mentally ill were then transferred to concentration camps because the materials and resources needed to efficiently kill large numbers of people existed and had been proven successful. The nurses and the staff who had assisted and performed the killings were then moved along with the gas chambers to the concentration camps, which were being built in order to be able to replicate the mass murders repeatedly.
The doctors who carried out experiments on the prisoners in concentration camps specialised in racial hygiene and used the supposed science to back their medical experiments. Some of the experiments were used for general medical research, for example by injecting prisoners with known diseases to test vaccines or possible cures. Other experiments were used to further the Germans' war strategy by putting prisoners in vacuum chambers to see what could happen to pilots' bodies if they were ejected at a high altitude or immerse prisoners in ice water to see how long they would survive and what materials could be used to prolong life if worn by German pilots shot down over the English Channel. The precursors of this notion were earlier performing medical experiments on African prisoners of war in concentration camps in Namibia during the Herero and Namaqua Genocide.
A key part of National Socialism was the concept of racial hygiene and the field was elevated to the primary philosophy of the German medical community, first by activist physicians within the medical profession, particularly amongst psychiatrists. That was later codified and institutionalized during and after the Nazis' rise to power in 1933, during the process of Gleichschaltung (literally, "coordination" or "unification"), which streamlined the medical and mental hygiene (mental health) profession into a rigid hierarchy with National Socialist-sanctioned leadership at the top.
After World War IIEdit
After World War II, the idea of "racial hygiene" was not promoted. The racialist ideology was denounced as unscientific by many, but there continued to be supporters and enforcers of eugenics even after there was widespread awareness of the nature of Nazi eugenics. After 1945, eugenics proponents included Julian Huxley and Marie Stopes, but they typically removed or downplayed racial aspects of their theories.
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- Proctor, Robert N. (1982) "Nazi Doctors, Racial Medicine, and the Human Experimentation", in Annas, George J. and Grodin, Michael A. editors, The Nazi Doctors and the Nuremberg Code: Human Rights in Human Experimentation. New York: Oxford University Press. pp. 17–31.
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- Proctor, Robert N. (1982). "Nazi Doctors, Racial Medicine, and the Human Experimentation", in Annas, George J. and Grodin, Michael A. editors, The Nazi Doctors and the Nuremberg Code: Human Rights in Human Experimentation. New York: Oxford University Press. pp. 25–26.
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- Rose, June (1993). Marie Stopes and the Sexual Revolution. London: Faber and Faber. p. 244.
- Glad, John (2008). Future Human Evolution: Eugenics in the Twenty-First Century. Hermitage Publishers.
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- Proctor, Robert (1988). Racial Hygiene: Medicine Under the Nazis. Cambridge, Massachusetts: Harvard University Press. ISBN-13: 978-0674745780. ISBN-10: 0674745787