why pseudoscientific theory was followed by Nazis
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Pseudoscience consists of statements, beliefs, or practices that are claimed to be both scientific and factual, but are incompatible with the scientific method.[1][Note 1] Pseudoscience is often characterized by contradictory, exaggerated or unfalsifiable claims; reliance on confirmation bias rather than rigorous attempts at refutation; lack of openness to evaluation by other experts; and absence of systematic practices when developing theories, and continued adherence long after they have been experimentally discredited. The term pseudoscience is considered pejorative[4] because it suggests something is being presented as science inaccurately or even deceptively. Those described as practicing or advocating pseudoscience often dispute the characterization.[2]
The demarcation between science and pseudoscience has philosophical and scientific implications.[5] Differentiating science from pseudoscience has practical implications in the case of health care, expert testimony, environmental policies, and science education.[6] Distinguishing scientific facts and theories from pseudoscientific beliefs, such as those found in astrology, alchemy, alternative medicine, occult beliefs, and creation science, is part of science education and scientific literacy.[6][7]
Pseudoscience can cause negative consequences in the real world. Antivaccine activists present pseudoscientific studies that falsely call into question the safety of vaccines. Homeopathic remedies with no active ingredients have been promoted as treatment for deadly diseases.