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Gurok MG, Yıldız S, Bakış Aksoy D, Kılıçaslan AK, Tabara MF, Yılmaz T, Kaya K, Danacı Keleş D, Karakaş Ş, Şimşek D, Atmaca M. Second and fourth (2D:4D) digit ratio in heroin and cannabis addicted patients. J Ethn Subst Abuse 2023:1-14. [PMID: 38043030 DOI: 10.1080/15332640.2023.2278475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2023]
Abstract
The etiology of addiction has not yet been fully elucidated. The ratio between the length of the second and fourth fingers (2D:4D ratio) has been linked with prenatal androgen concentrations, but also with addictive behvaiors. Aim: The present study aimed to evaluate the differences of 2D:4D ratio of individuals with cannabis and heroin addiction by examining them together with the control group. A total of sixty two male patients (33 opiate use disorder and 29 cannabis use disorder) with substance use disorder and the twenty-nine healthy controls were included in the present investigation. We obtained the lengths of 2D and 4D of the subjects by using sensitive calipers and calculated the 2D:4D. Heroin-addicted patients had lower 2D:4D ratio in in the right hand (significant difference between control group) (p < 0.001), there was no significant difference found between heroin-cannabis (p = 0.242) and control-cannabis 2D:4D ratios (p < 0.06). In the left hand, it was significant between the heroin-control groups (p < 0.037) and the cannabis-control groups (p < 0.023), while it was not significant between the heroin-cannabis groups (p = 1). In conclusion, we suggest that heroin-and cannabis addicted patients seem to have a lower ratio of 2D:4D compared to healthy control subjects. Our findings can be considered promising as to whether prenatal hormonal factors are important in the etiopathogenesis of addiction.
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Affiliation(s)
- Mehmet Gurkan Gurok
- Faculty of Medicine, Department of Psychiatry, Fırat University, Elazig, Turkey
| | - Sevler Yıldız
- Department of Psychiatry, Fethi Sekin City Hospital, Elazig, Turkey
| | | | | | | | - Tuba Yılmaz
- Department of Psychiatry, Fethi Sekin City Hospital, Elazig, Turkey
| | - Kamer Kaya
- Elazığ Mental Health Hospital, Elazig, Turkey
| | | | - Şahin Karakaş
- Faculty of Medicine, Department of Psychiatry, Fırat University, Elazig, Turkey
- Department of Psychiatry, Sorgun State Hospital, Yozgat, Turkey
| | | | - Murad Atmaca
- Faculty of Medicine, Department of Psychiatry, Fırat University, Elazig, Turkey
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Erdoğan A, Özge B, Kopan M, Aktan Y, Kulaksızoğlu B. Second to fourth digit ratio (2D:4D), impulsivity and aggression levels in patients with opiate use disorder and alcohol use disorder. JOURNAL OF SUBSTANCE USE 2022. [DOI: 10.1080/14659891.2022.2098850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Ali Erdoğan
- Department of Psychiatry, Akdeniz University Medical School, Antalya, Turkey
| | - Başak Özge
- Department of Psychiatry, Akdeniz University Medical School, Antalya, Turkey
| | - Metehan Kopan
- Department of Psychiatry, Akdeniz University Medical School, Antalya, Turkey
| | - Yiğitcan Aktan
- Department of Psychiatry, Akdeniz University Medical School, Antalya, Turkey
| | - Burak Kulaksızoğlu
- Department of Psychiatry, Akdeniz University Medical School, Antalya, Turkey
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