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On the other hand UV tends to lower your folate levels. Populations' skin colors tends to track the latitudes they live in but also the ratio of vitamin D to f
by Symmetry 8y ago
On the other hand UV tends to lower your folate levels. Populations' skin colors tends to track the latitudes they live in but also the ratio of vitamin D to folate in their diets. That's part of the reason the pre-agrigultural population of Europe with their fish heavy diet had skin colors so much darker than modern Europeans
https://www.bbc.com/news/science-environment-42939192 https://www.bbc.com/news/science-environment-42939192.