Or perhaps light skin was an evolutionary development as humans moved to higher latitudes in order to obtain high enough levels of vitamin D. See [1]: The evolu

Or perhaps light skin was an evolutionary development as humans moved to higher latitudes in order to obtain high enough levels of vitamin D. See [1]: The evolutionary significance of vitamin D, skin pigment, and ultraviolet light. 1. https://www.ncbi.nlm.nih.gov/m/pubmed/1211435/ https://www.ncbi.nlm.nih.gov/m/pubmed/1211435/