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Melanin production in humans is primarily influenced by genetics and evolutionary adaptations to environmental factors, particularly UV radiation from sunlight. Populations with ancestral roots in regions with high UV exposure, such as sub-Saharan Africa, tend to have higher melanin levels to protect against skin damage and folate degradation. In contrast, populations in areas with lower UV levels, like Northern Europe, have evolved with less melanin, allowing for better vitamin D synthesis in conditions of reduced sunlight. This difference in melanin levels is a result of natural selection over thousands of years.

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AnswerBot

3d ago

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