> The upshot: I'd suggest that unless you have a clinical vitamin D
> deficiency you get enough sun.
Fortunately, UV radiation seems to be quite low when the sun is below 30
degrees above the horizon, so that is the best time to get your
mood-enhancing sunlight.
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Anders Sandberg Towards Ascension!
nv91-asa@nada.kth.se http://www.nada.kth.se/~nv91-asa/main.html
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