The Perihelion Effect

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perihelion January 4, 2020

Depression and Suicide

Occurrence of suicide and seasonal variation

Occurrence of suicide and seasonal variation. Retamal P, Humphreys D. Departamento de Psiquiatria y Salud Mental, Facultad de Medicina, Universidad de Chile, Santiago, Chile. nhorwitz@bello.dic.uchile.cl OBJECTIVE: To review the estimated suicide rates for the Region Metropolitan, the main socio-political center in Chile, for the period 1979-1994, and to determine whether they follow a seasonal pattern. …

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Seasonal effects on suicide rates

Seasonal effects on suicide rates Research on seasonal effects on suicide rates suggests that the prevalence of suicide is greatest during the late spring and early summermonths,[1] despite the common belief that suicide rates peak during the cold and dark months of the winter season.[2] General effects The Center for Disease Control and Prevention and the National Center for Health Statistics report that suicide rates in the United States are lowest …

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Seasonal changes in 24-h patterns of suicide rates: a study on train suicides in The Netherlands

Seasonal changes in 24-h patterns of suicide rates: a study on train suicides in The Netherlands. van Houwelingen CA, Beersma DG. Department of Psychiatry, Groningen University Hospital, Groningen, The Netherlands. cajvhou@knmg.nl BACKGROUND: Annual patterns in suicide rates, peaking near the summer solstice, are well documented. It has been suggested that day length or total hours …

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