Comment by pbhjpbhj
It's not really the exposed skin that's the issue. At higher latitudes the ultraviolet (UVB) gets scattered by the longer path through the atmosphere and so even if you were naked you still wouldn't be getting enough.
It's not really the exposed skin that's the issue. At higher latitudes the ultraviolet (UVB) gets scattered by the longer path through the atmosphere and so even if you were naked you still wouldn't be getting enough.