The concept . of lunar influence on human and animal behavior has intrigued mankind for thou-sands. of year, but scientific evidence has been lacking. If one consider the human organism as a microcosm comprised of essentially the same elements and in similar propositions to those of the Earth´s surface, one could speculate that the gravitational forces of the moon might exert a sinilar influence upon the water mass of the human microcosm.
And Oliven also summarized area of the presumed lunar influence: the tides of oceans, atmospheric movements, menstruation, sexual desires and activities and the spawning habits of various sea worms.
And Blackstone concluded as follow: "A lunatic is one who has lost the use of reason and lucid interval frequently depending upon the changes of the moon.
In order to explore this concept, the author surveyed 539 attempted suicides entered to Hangang Sac-red Heart Hospital, Chung Ang University, College of Medicine from Jan. 1. 1973, to June 30, 1975.
These were identified by age, sex and the time of suicide (hour, day, month and year).
The results were as follow.
1. Of the 539 cases of attempted suicide entered during study period, the number of cases occuring during the phase of first quarter moon was 140, the phase of full moon 115, the phase of last quarter 135, and the phase of new moon 150. The attempted suicides decreased during waxing moon phase,increased during winning moon and peaked at n6W moon, and these findings were more prominent in male attemptees.
2. As to the times of high occurance of atsempted suicide ratio within each moon phase, it was 8-10 o´clock during the phase of firtt quarter moon, 22-2 o´clock during the phase of full moon, 4-6 o´clock during the phase of last quarter moon and 2022 o´clock during the phase of new moon and these times were accordance with these of floods in Incheon.
3. During the phase of new moon, the aged male attemptees (above 60) were prominent.
4. This observation suggests that the possible role of moon ´on human mind is a complex problem requiring further study.
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