摘要: Several reports indicate that suicide follows a seasonal pattern with dominant peak during the month of maximum daylight. The purpose this study was to evaluate hypothesis sunshine exposure may trigger suicidal behavior. We found remarkably consistent seasonality incidence around June in northern hemisphere and December southern hemisphere. Moreover, there positive association between amplitude (measured by relative risk) total corresponding country. These findings have triggering effect on suicide, suggests further research field sunshine-regulated hormones, particularly melatonin.

参考文章(28)
Peng Z, Peng T, Zhao S, Qu G, The sex ratio of suicide rates in China. Crisis-the Journal of Crisis Intervention and Suicide Prevention. ,vol. 15, pp. 44- 48 ,(1994)
G. M. Brown, M. Stanley, Melatonin levels are reduced in the pineal glands of suicide victims Psychopharmacology Bulletin. ,vol. 24, pp. 484- 488 ,(1988)
Gustavo Turecki, Richard Brière, Karen Dewar, Tonino Antonetti, Alain D Lesage, Monique Séguin, Nadia Chawky, Claude Vanier, Martin Alda, Ridha Joober, Chawki Benkelfat, Guy A Rouleau, None, Prediction of level of serotonin 2A receptor binding by serotonin receptor 2A genetic variation in postmortem brain samples from subjects who did or did not commit suicide. American Journal of Psychiatry. ,vol. 156, pp. 1456- 1458 ,(1999) , 10.1176/AJP.156.9.1456
Simon M. Kevan, Perspectives on season of suicide: A review Social Science & Medicine. Part D: Medical Geography. ,vol. 14, pp. 369- 378 ,(1980) , 10.1016/0160-8002(80)90005-2
Paul SF Yip, Chris Callanan, Hok Pan Yuen, None, Urban/rural and gender differentials in suicide rates: east and west. Journal of Affective Disorders. ,vol. 57, pp. 99- 106 ,(2000) , 10.1016/S0165-0327(99)00058-0
Michael Maes, Seasonal Variation in Plasma L-Tryptophan Availability in Healthy Volunteers Archives of General Psychiatry. ,vol. 52, pp. 937- 946 ,(1995) , 10.1001/ARCHPSYC.1995.03950230051008
Joel A Posener, JJ Schildkraut, JA Samson, AF Schatzberg, Diurnal variation of plasma cortisol and homovanillic acid in healthy subjects. Psychoneuroendocrinology. ,vol. 21, pp. 33- 38 ,(1996) , 10.1016/0306-4530(95)00033-X
H Morgenstern, Uses of ecologic analysis in epidemiologic research. American Journal of Public Health. ,vol. 72, pp. 1336- 1344 ,(1982) , 10.2105/AJPH.72.12.1336
T. Bazas, J. Jemos, K. Stefanis, D. Trichopoulos, Incidence and seasonal variation of suicide mortality in Greece. Comprehensive Psychiatry. ,vol. 20, pp. 15- 20 ,(1979) , 10.1016/0010-440X(79)90055-5