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KMID : 0368819980370061130
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Journal of the Korean Neuropsychiatr Association
1998 Volume.37 No. 6 p.1130 ~ p.1137
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The Relation of Mood Disorder to Season of Birth.
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Kim Yong-Bum
Bae Ahn
Lee Moo-Suk
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Abstract
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To examine the relation of mood disorder to season of birth, we analyzed the data of 156 male and female mood disorder patients who were admitted to or visited NaJu National Mental Hospital from March 1997 to June 1997. The results of this study were as follows: 1) There was a significant difference of birth season distribution in patients with mood disorder compared with that of geneal population. We suggest that birth seasonal factors have influence on onset of mood disorder. 2) High onset rate in spring was noted in patients with mood disorders. Winter-born patients had a significantly low onset rate in autumn, and autumn-born patients had a significantly low onset rate in winter. The results suggest that seasonal factors affecting onset of schizophrenia are associated with onset of mood disorder. Further studies should follow to find out concrete and objective relation of mood disorder to season of birth.
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KEYWORD
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Mood disorder, Birth scason
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