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Anonymous at Mon, 29 Jul 2024 19:50:50 UTC No. 16302303

The possibility of a biochemical connection between skin pigmentation and intelligence is not totally unlikely in the view of the biochemical relation between melanins, which are responsible for pigmentation, and some of the neural transmitter substances in the brain. The skin and the cerebral cortex both arise from the ectoderm in the development of the embryo and share some of the same biochemical processes.