Dealing with post-holiday letdowns

... get to be in the sunshine (much) because of the weather," said Bowyer. "It's cold, so we don't get as much of that Vitamin D naturally that we need in order to function well." To try and get over the post-holiday blues, Bowyer recommends people ...

http://www.mjtimes.sk.ca/News/Local/2014-01-06/article-3566254/Dealing-with-post-holiday-letdowns/1