Sociosexuality is usually assessed as the overall orientation toward uncommitted sex, although this global approach may mask unique contributions of different components. In a large online study (N = 2,708) and a detailed behavioral assessment of 283 young adults (both singles and couples) with a 1-year follow-up, the authors established 3 theoretically meaningful components of sociosexuality: ...

in order to identify the sex marker in mahisefied, rutilus frisii kutum, samples from 5 male and 5 female fish were collected from the south caspian sea. polymerase chain reaction random amplified polymorphic dna (pcr-rapd) was performed using 124 primer sets. all bands were numbered using 1 and 0 scores corresponding to the presence or absence of bands, respectively and data were analyzed usin...

Sexual differentiation of the brain is a crucial developmental process that enables the lifelong expression of sexually dimorphic behaviors, including those necessary for successful reproduction. During a perinatal sensitive period, gonadal hormones defeminize and masculinize the male brain, and a lack of gonadal steroids allows for feminization in the female. This hormonally-induced differenti...

BACKGROUND Tetrahydrocannabinol (Δ9-THC), the primary ingredient in marijuana, exerts its effects across several neurological and biological systems that interact with the endocrine system. Thus, differential effects of Δ9-THC are likely to exist based on sex and hormone levels. METHODS We reviewed the existing literature to determine sex-based effects of Δ9-THC on neural structure and functi...