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Unformatted text preview: suffer from SAD (Sullivan & Payne, 2007). These people also experience seasonal changes in melatonin secretion that is not seen in healthy subjects (Sullivan & Payne, 2007). It is also noted that more women suffer from SAD than men (Rosenthal, 2009). There are two main seasonal/depressive patterns for Seasonal Affective Disorder. The first is the fall-onset type, or winter depression and the second type is the spring-onset type, or summer depression (Saaed & Bruce, 1998). Rosenthal, N.E. Issues for DSM-V: Seasonal Affective Disorder and Seasonality. Am J Psychiatry 2009; 166, 852-853. Saeed, S.A., Bruce, T.J. Seasonal Affective Disorders. American Family Physician 1998; 1340-1351. Sullivan, B., Payne, T.W. Affective disorders and cognitive failures: a comparison of seasonal and non seasonal depression. Am J Psychiatry 2007; 164, 1663-1667....
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