Major depression with seasonal variation: is it a valid construct? - Traffanstedt MK, Mehta S, Lobello SG.

Seasonal affective disorder (SAD) is based on the theory that some depressions occur seasonally in response to reduced sunlight. SAD has attracted cultural and research attention for more than 30 years and influenced the DSM through inclusion of the season...
Source: SafetyLit - Category: Global & Universal Tags: Environmental Issues, Climate, Geophysics Source Type: news