Birthdates of patients affected by mental illness and solar activity: A study from Italy |
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Authors: | Antonio Ventriglio Albacenzina Borelli Antonello Bellomo Alberto Lepore |
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Institution: | 1. University of Foggia, Department of Medical and Occupational Sciences, Section of Psychiatry and Clinical Psychology, at “Ospedali Riuniti”, via G. Marconi n°3 – 71041 Carapelle (Foggia), Italy;2. Department of Mental Health, Centro di Salute Mentale, ASL Foggia at “Ospedale Lastaria” – Lucera (Foggia), Italy |
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Abstract: | PurposeThis epidemiologic study tested an hypothesized association between the year of birth of persons with major mental illnesses and solar activity over the past century.MethodsWe collected data on diagnoses and birthdates of psychiatric patients born between 1926 and 1975 (N = 1954) in south Italy for comparison to yearly solar activity as registered by the International Observatories.ResultsWe found a strong inverse correlation between high solar activity (HSA) and incidence of schizophrenia and bipolar disorder in a 20-year period whereas the incidence of non-affective/non-psychotic disorders was moderately associated with HSA in the same period.ConclusionsInterpretation of the observed correlations between HSA during years of birth and the incidence of mental illnesses remains unclear, but the findings encourage further study. |
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Keywords: | Solar activity Sunspot Wolf number Mental illness |
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