The has been relatively little research on sexuality in later life, particularly among persons over 60 years of age. The existing literature consists of studies of small samples, much of it from a biomedical perspective. This literature suggests that age, hormone levels, specific illnesses, and various medications negatively affect sexual functioning in older persons. The study reports results ...

Two decades ago, the diagnosis of premature sexual development was considered to be simple; the conditions that were recognised were either central precocious puberty, isolated premature thelarche or an adrenal aetiology. The use of pelvic ultrasound and gonadotrophin-releasing hormone (GnRH) analogue treatment was to completely alter our understanding of these disorders. Pelvic ultrasound led ...

Some propositions on male and female sexual orientation will be considered. Some of these are established; others are more speculative. The aim is to offer some notes towards a coherent, comprehensive theory of sexual orientation. 1. The distinction between butch and femme lesbians seems real rather than a social construct. 2. High levels of prenatal steroid hormones seem to be causally associa...

background and aim: it is well - known that sex hormones regulate bone metabolism. sex steroids increase osteoblasts activities and affect growth, remodeling and bone homeostasis. the aim of this study was to examine the effects of sex hormones deficiency on craniofacial growth in rats. methods & materials: fifty, thirty–day–old wistar rats comprised the sample in this experimental study. 25 ma...

The effects of maternal exposure to lead (Pb) during the perinatal (1% and 0.1% Pb) periods of sexual brain differentiation were studied in adult male offspring. Maternal Pb levels were measured after treatment. Behavioral (open field and sexual behavior), physical (sexual maturation, body and organ weights), and biochemical (testosterone levels and hypothalamic monoamine and respective metabol...

background: one of the problems that addicts suffer from is decreased libido. erectile dysfunction has been reported in men using opioids for treatment of heroin addiction. objective: the study was performed to investigate the effects of morphine and detoxification with methadone as causes of sexual dysfunction in addiction. methods and methods: a total of 40 adult male rats (wistar) were used....

Background: Levofloxacinis a fluoroquinolone antibacterial agent with a broad spectrum of activity against different infectious disease and Gram-negative bacteria. In more than 100 countries it has therapeutic use. This study is aimed to determine Cytotoxic of Levofloxacin effects on rat testis tissue. Materials and Methods: For this experimental study, we used 50 male wistar rats which must be...