The prevalence of seasonal affective disorder (SAD) in Greenland is related to latitude.
Kegel M, Dam H, Ali F, Bjerregaard P.Department of Psychiatry, Ballerup, Ballerup Boulevard 2, Ballerup 2750, Denmark. Nord J Psychiatry. 2009;63(4):331-5. The aim of this study was to determine the prevalence of seasonal affective disorder (SAD) in Greenlanders and Danes living at four different latitudes in Greenland. A Seasonal Pattern Assessment Questionnaire (SPAQ) was mailed […]