introduction: inadequate sleep hygiene may result in difficulties in daily functioning; therefore, reliable scales are important to measure sleep hygiene. the purpose of this study was to assess the psychometric properties of the persian version of sleep hygiene index (shi) in the male population. methods: in this study, 787 men, who were selected by cluster random sampling, filled out the shi,...

background: in addition to individual problems and conditions, low back pain reduces working capacity, resulting in the waste of time and absence from the work, and increases healthcare costs and economic losses. this study aimed to determine the prevalence rate of low back pain and its relationship to demographic factors, body mass index, and education in ergonomic principles in rural men.   m...

background: sexual health is part of psychological health and the occurrence of any sexual health –associated disorder could have profound effect on physical health. more than half of the cases of sexual problems which can destroy the marital relationship and family life originate from lack of knowledge or insufficient awareness and incorrect attitude toward the sexual relationship. objective: ...

infertility is believed to be part of the various medical problems that has increased up to 50% since 1955 in the world and 10-15% of couples are already suffering from it. development of industrialization and urbanization in human societies have dramatically changed the human life style and led gradually to the increase of various environmental risk factors. humans are exposed to polluted air,...

Male breast cancer is one of the rare malignancies. Clinically it usually a fixed mass in the breast in the seventh decade of life. Metabolic disorders and gyneco­mastia and Klinefelter's syndrome are important predis­r,osing factors.  Primary management is simple mastectomy plus re­gio:ial lymph node irradiation. In late cases or metastatic disease, orchidectomy, adrenalectomy, and hypophysec...