NPR article about research that disputes S.A.D. diagnosis

NPR had an interesting piece on 1-22-14 by their science correspondent, Shankar Vandantam),  who seems to take a particular interest in mental health matters (he has written a book,  The Hidden Brain: How our Unconscious Minds Elect Presidents, Control Markets, Wage Wars and Save Our Lives).  The article discusses whether there is actually “empirical evidence for wintertime depression, widely believed to be ubiquitous.” Interestingly, he finds that the research form several countries actually finds that, “Study after study after study seems to show that people are not more depressed in the winter. If anything, they are less depressed in the winter.”   They are clearly