A SEARCH FOR LUNACY1

Abstract
Much folklore and anecdotal observation has reported a relationship between outbursts of psychotic behavior and the phase of the moon. To investigate this hypothesis, the phases of the moon were tabulated for the dates of admission for 3231 patients. No relationship was found between lunar phase and number of admissions. In addition, phase of the moon was tabulated for 1069 incidents of assaultive behavior as recorded in the clinical folders of 98 schizophrenics, and for 489 incidents recorded in the folders of 39 paretics. There was no relationship between phase of the moon and the incidents of assaultive behavior. In addition, there was no tendency for individual patients to be consistent as to the phase in which their incidents occurred.

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