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    The ratio of the second- (2D) to fourth (4D) digit lengths of hand (2D:4D) is a proxy marker of the relative testosterone and estrogen concentration during a relatively narrow period of fetal development that might affect behavioral and personality characteristics.To estimate the differences in 2D:4D between different religious groups among a sample of young adult males in Mongolia.Two hundred and sixty-five Mongolian male students with mean age of 20.5 (SD = 1.7) years from different universities in Ulan Bator, were included in the study. Information on age, religious affiliation, marital status and parental education were obtained directly from each study participant. Digit lengths were measured from scanned images by using the ImageJ software 1.53 K. One-way analysis of variance was employed to evaluate whether they were significant differences in 2D:4D ratio between groups, along with Scheffe's post hoc comparison.Study participants significantly differed in 2D:4D across religion. Left 2D:4D, but not the right, showed a significant difference between religions, with Muslims exhibiting the highest 2D:4D mean and the lowest DR-L .Our study suggests that the 2D:4D ratio is related to the participants' religion. However, the distinctiveness of the Muslim students from study participants belonging to other religious groups in this study could also be related to ethnic differences, given that the students were Kazakhs. This is, to our knowledge, the only study looking at the relationship between the 2D:4D ratio and religious affiliation and, thus, further research is needed to confirm its results.© 2023 Wiley Periodicals LLC.


    Myadagmaa Jaalkhorol, Badrangui Bat-Orgil, Khorolsuren Lkhagvasuren, Amarsaikhan Dashtseren, Oyunbileg Dulamsuren, Tsetsegsuren Jaalkhorol, Nansalmaa Khaidav, Lkhagvasuren Luvsan, Tuvshintugs Khadkhuu, Raja Chakraborty, Sławomir Kozieł. Is 2D:4D digit ratio related to avowed religion? A study among Mongolian young males from Ulaanbaatar. American journal of human biology : the official journal of the Human Biology Council. 2023 Jul 03:e23950e23950

    PMID: 37401201

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