I think to a certain degree we can adapt to the amount of sunlight at a young age, or even in the womb. Just as we do for food scarcity, see the Dutch winter fa

I think to a certain degree we can adapt to the amount of sunlight at a young age, or even in the womb. Just as we do for food scarcity, see the Dutch winter famine [1] This article seem to point into the direction of epigenetics. [2] - [1] https://www.nytimes.com/2018/01/31/science/dutch-famine-genes.html https://www.nytimes.com/2018/01/31/science/dutch-famine-gene... - [2] https://geneticliteracyproject.org/2016/10/17/black-white-twins-genetics-epigenetics-explain-non-identical-identical-twins/ https://geneticliteracyproject.org/2016/10/17/black-white-tw...