I imagine I would do better with more fish and seaweed. However, a recent talk at TED, http://www.ted.com/talks/nina_jablonski_breaks_the_illusion_..., implies that we are getting enough sun even at higher latitudes. Humans at higher latitudes seem to have quickly evolved to lighter skin colors to allow more Vitamin D production. Drastic movements between latitudes may cause more harm than good.
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I imagine I would do better with more fish and seaweed. However, a recent talk at TED, http://www.ted.com/talks/nina_jablonski_breaks_the_illusion_..., implies that we are getting enough sun even at higher latitudes. Humans at higher latitudes seem to have quickly evolved to lighter skin colors to allow more Vitamin D production. Drastic movements between latitudes may cause more harm than good.
Doesn't the Vitamin D argument go: "we all stay indoors these days, thus we are vitamin D deficient, regardless of skin color".