Background: There is sufficient evidence that the index-finger-to-ring-finger-ratio (2D:4D-ratio) is associated with testosterone and estrogen exposure during the fetal stage. More specifically, a lower 2D:4D-ratio (that is; a shorter index finger, compared to a longer ring finger) was associated with a prenatally higher testosterone and lower estrogen exposure during the first trimester of the fetal stage. At a behavioral level, among adults, a lower 2D:4D-ratio was associated with a higher competitive performance among both female and male professional athletes, and with personality traits such as higher scores for mental toughness, dark triad traits, and aggressive behavior, and internet use disorder.
View Article and Find Full Text PDFElder abuse continues to be a taboo, mostly underestimated, ignored by societies across the world. Recent systematic reviews and meta-analyses have revealed significant variations in the prevalence of elder abuse, with large geographic variations. This is the first study that compares the prevalence of elder abuse and risk factors between a European and Asian countries and using the same method.
View Article and Find Full Text PDFIn the present study, 229 major depressive disorder (MDD) patients (57.6% female; 42.4% male) were selected by convenience sampling and examined for rate of dissociative experiences.
View Article and Find Full Text PDFObjectives: Our study was conducted to determine the prevalence of metabolic syndrome in patients with schizophrenia.
Methods: The study population included all patients with schizophrenia who were referred to Farabi Hospital, Kermanshah, Iran, between March 2014 and March 2015. A total of 280 subjects who met the study criteria were selected according to the census sampling method.