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Pale skin also means that you need less sun exposure to get enough D vitamins.
by Dewie 13y ago
Pale skin also means that you need less sun exposure to get enough D vitamins.
- peterwwillis 13y agoSource? A very pale person may burn in 5 minutes. It doesn't make sense that your body would speed up the synthesis of cholesterol just because your skin has less melanin or is more sensitive to UV radiation. Also keep in mind that no matter how much is synthesized it's up to the liver and kidney to make it into a useful hormone.
- mason55 13y agoMelanin blocks sunlight which reduces vitamin D synthesis http://essays.backintyme.com/item/4 http://essays.backintyme.com/item/4 > The lightness adaptation enhances calciferol (vitamin D) synthesis. Too much epidermal melanin for the latitude blocks UV penetration essential to the dermal synthesis of calciferol or vitamin D. If you have less melanin then more sunlight reaches the lower layers of skin which increases vit D synthesis.
- sambeau 13y agoGoogle "pale skin vitamin d wheat northern europe" and you'll have it explained in full.
- justindz 13y agoI would love a good citation if you have one. I'll look around on my own, too. Curious about this because I am 1) very pale and 2) enjoy hiking.
- Dewie 13y agohttps://news.ycombinator.com/item?id=6244783 https://news.ycombinator.com/item?id=6244783
- deleted 13y ago[deleted]