Vitamin D supplements are recommended during the winter for those living beyond latitudes of 40 degrees, as little to no UV-B radiation occurs. (Houghton Daily Mining Gazette photo by Garrett Neese)
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Winter is the time for vitamin DFebruary 21, 2012Vitamin D supplements are recommended during the winter for those living beyond latitudes of 40 degrees, as little to no UV-B radiation occurs. (Houghton Daily Mining Gazette photo by Garrett Neese) Article Photos |
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