background: fluoxetine (prozactm) is one of the most popular antidepressant that can be released to aquatic systems via sewage-treatment effluents. it is suspected to provoke substantial effects in the aquatic environment. methods: in spawning tanks, specimens were exposed to concentrations of 0 and 0.54 µgl-1 fluoxetine from male introduction until the larvae had hatched. prior to spawning, ne...

iology is instrumental in establishing and perpetuating societal norms of gender and sexuality, owing to its afforded authoritative role in formulating beliefs about what is “natural”. However, philosophers, historians, and sociologists of science have shown how conceptions of gender and sexuality pervade the supposedly objective knowledge produced by the natural sciences. 1 For example, in des...

this study aims at investigating the effectiveness of utilizing barley as a flushing ration with an energizing source and soybean meal-based diets as a flushing ration with a protein source the sexual and breeding behaviors in ghezel sheep. to this end, 36 three and half-year old ewes (51±1.5 kilograms) with the record of giving birth to two lambs and 6 three-year old (89±2.5 kilograms) rams we...

conclusions rising youth awareness, creating a positive attitude, and appropriate knowledge about safe sex practices are seminal. it is also vital to ensure access to gender specific sexual and reproductive health services for youths, empower women, and strengthen their sexual assertiveness as well as the elimination of all forms of gender-based inequalities. background there are restrictions a...

in a study to determine the influence of sexual behaviour to hiv contamination, in 22 patients infected with aids in iran, this survey was conducted. the subjects were 21 male and one female. one of the male patients was from uganda, another was an intravenous drug addict, and one patient has been abroad for sometime. one of the patients had been abroad and received blood there, and other patie...

background: menopause and its physical, hormonal and psychosocial changes could affect women’s sexual function. there are controversial results regarding relationship between sexual attitudes and function. objective: we aimed to evaluate sexual attitudes and sexual function among iranian menopausal age women. materials and methods: this population based cross-sectional study was carried out on ...

abstract background: sexual behaviors of adolescents and youth are categorized as one of the main health priorities of a society because of high prevalence of human immunodeficiency virus/acquired  immunodeficiency syndrome (hiv/aids), sexually transmitted infections (stis), and unwanted pregnancies. family is an important environment that is associated with a range of social and emotional beha...

T HE mechanism of sexual behavior has long been an intriguing although frustrating subject of investigation. With the discovery of the role of the gonads as producers of hormones, and particularly after the isolation, purification, and synthesis of the steroid hormones, biologists believed that a simple explanation of sexual behavior was at last available. Many observers had noted that sexual b...