background and purpose: many workers are exposed to workplace hazards. many occupational diseases are preventable by personal protective devices (ppds). though many workers do not use ppds or their protection by ppds is not sufficient. this study was designed to assess the quality of ppds usage among industrial workers. materials and methods: in a cross-sectional study, 648 workers from four ma...

background: pain adversely affects cancer patients quality of life . knowing different sources of pain helps physicians and patients to manage it. the aim of this study was investigating physical factors affecting pain in iranian cancer patients. method: this cross-sectional study randomly enrolled cancer patients who were newly admitted to the medical oncology department of cancer institute of...

mammea africana sabine (guttiferae) stembark, a common plant, traditionally used to treat various diseases and ailments was evaluated for hepatoprotective potentials against paracetamol- induced liver injury in rats. the hepatoprotective effect of the stembark extract (30-90 mg/kg) was evaluated by the assay of liver function parameters: total and direct bilirubin, serum protein and albumin, to...

background & aim: homalium letestui pellegr (flacourtiaceae) used traditionally by the ibibios of southern nigeria to treat stomach ulcer, malaria and other inflammatory diseases was evaluated for antiulcer properties.  experimental: the effects of ethanol stem extract of h. letestui (200 – 600 mg/kg) and fractions (aqueous and dichloromethane, 400 mg/kg) on experimentally induced ulcer wer...

in the present study, protective effect of teucrium polium l. (labiatae) extract on acetaminophen-induced hepatotoxicity was investigated in mice. animals were divided into six groups, each group consist of 8 mice. group one as the negative control group received normal saline, while group two received only crude extract of t. polium l. (500 mg/kg) for five days and group three as the positive ...

objective: the purpose of this study was to identify affecting factors on students’ environmental protection behavior (sipb). methods: statistical population of this research consisted of 1480 students in alborz agricultural technical higher education centers. a stratified random sampling method was used to select 145 student applying cochran's formula. the main tool to collect data was a resea...

nigella sativa (n. sativa), which belongs to the botanical family of ranunculaceae, is a widely used medicinal plant all over the world. n. sativa seeds and oil have been used in the treatment of different diseases. various studies on n. sativa have been carried out and a broad spectrum of its pharmacological actions have been established which include antioxidant, antidiabetic, anticancer, ant...

objective: based on problem based theory, this study investigated a broad array of putative protective factors associated with psychopathological symptoms and prosodical behaviour. methods: participants were 140 orphan adolescent girls and boys living in foster care homes in tehran, chosen with convenience sampling procedures. using a cross-sectional design this study examined the individual an...

objective: the present study aimed to investigate the effects of spiritual well-being and family protective factors on the family strength in a propositional structural model. methods: the research population consisted of all the married people of the isfahan, iran, in 2012 with preschool-aged children and in the first decade of marriage with at least eight grades of educational level. three hu...