Depression And Melanin

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Definition


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Skin pigment


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Melanin is a natural substance that gives color (pigment) to hair, skin, and the iris of the eye. It is produced by cells in the skin called melanocytes.

Melanin also helps protect the skin from the sun.


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Dna

Red hair, fair skin and freckles are caused by a gene mutation The MC1R, or melanocortin 1 receptor, is responsible for the production of melanin, which determines skin and hair color. Melanin is produced in two forms, one causes dark hair and...