Relation of the Lunar Cycle and Trauma Deaths in Tehran over 10 Years



1 Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran

2 Iranian Research Center on Aging, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran


The aim of the present study is to investigate a possible relation between Moon cycle and Trauma deaths registered in Tehran cemetery organization (Behesht Zahra), for a 10 years period (March 1992 to March 2002). From 28,208 traumatic deaths were registered in Tehran cemetery, 22828 (80.9%) meet our conclusion criteria. There were 17,056 (74.7%) males and 5,772 (25.3%) females. There was not an increase in trauma deaths in the full moon and new moon days. A similar pattern was observed for the sex of death cases and intentional deaths. The mean age of deceased cases showed a significant increase in full moon days. Different factors could affect the frequency of trauma deaths. Hence, if there is any role for Full Moon on the occurrence of trauma and its deaths, it is not so strong that can be identified.

Keywords: Trauma, Death, Full Moon, New Moon, Tehran.

Level of evidence: VI


Main Subjects

1. Redelmeier DA, Shafir E. The full moon and motorcycle 
related mortality: population based double control study. 
BMJ. 2017; 359:j5367. doi: 10.1136/bmj.j5367.
2. Kollerstrom N, Steffert B. Sex difference in response to stress 
by lunar month: a pilot study of four years' crisis-call 
frequency. BMC Psychiatry. 2003; 3:20. doi: 10.1186/1471-
3. Coates W, Jehle D, Cottington E. Trauma and the full moon: a 
waning theory. Ann Emerg Med. 1989; 18(7):763-5. doi: 
4. Zargar M, Khaji A, Kaviani A et al. The full moon and 
admission to emergency rooms. Indian J Med Sci.2004; 
5. Hours M, Fort E, Charnay P, et al. Diseases, consumption of 
medicines and responsibility for a road crash: a case-control 
study. Accid Anal Prev.2008; 40(5):1789-96. doi: 
6. Sivak M, Schoettle B, Tsimhoni O. Moon phases and nighttime 
road crashes involving pedestrians. Leukos. 2007; 4(2):129-
31. doi: 10.1582/LEUKOS.2007.04.02.004.
7. Della Monica C, Atzori G, Dijk DJ. Effects of lunar phase on 
sleep in men and women in Surrey. J Sleep Res.2015; 
24(6):687-94. doi: 10.1111/jsr.12312. 
8. Biermann T, Asemann R, McAuliffe C, et al. Relationship between lunar phases and serious crimes of battery: a 
population-based study. Compr Psychiatry.2009; 50(6):573-
7. doi: 10.1016/j.comppsych.2009.01.002. 
9. Ossenkopp KP, Ossenkopp MD. Self-inflicted injuries and the 
lunar cycle a preliminary report.Journal of Interdisciplinary 
Cycles Research. 1973; 4:337-48. doi: 
10. Onozuka D, Nishimura K, Hagihara A. Full moon and traffic 
accident-related emergency ambulance transport: A
nationwide case-crossover study. Sci Total Environ.2018; 
644:801-805. doi: 10.1016/j.scitotenv.2018.07.053.