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Jul 22, 2014 at 03:05PM EDT
Always figured the sun was involved regarding our skin colour.
Jul 22, 2014 at 04:48PM EDT
Should be noted that the opposite it true. People of lighter skin adapted in climates with little sunlight because lighter skin can absorb more of the suns rays to create more vitamin D. The exception is the inuit people who received their vitamin D from eating the livers of fish.
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