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Blood Purity: How a Bizarre Obsession Advanced Science

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Already years before the Nazis came to power, German scientists were propagating theories about blood purity. Though this obsession led to bizarre and dangerous theories about superiority and personality traits, it also led to medical breakthroughs.
image  Blood Purity: How a Bizarre Obsession Advanced Science  Blood Purity: How a Bizarre Obsession Advanced Science  Blood Purity: How a Bizarre Obsession Advanced Science  Blood Purity: How a Bizarre Obsession Advanced Science

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