beluga sturgeon ( huso huso linnaeus, 1758) fingerlings are released into the caspian sea for recruiting and enhancing commercial and recreational fishing purposes. these fingerlings are reared in fresh water, but released to the estuaries that may be caused mortalities due to acute osmotic stress. in this study, the fingerlings in whole ( in vivo ) or their gill tissue ( in vitro ) were expose...

background: there are many physiological and psychological factors, which affect sensitivity to pain in children afflicted with all. the main purpose of this study was to evaluate the relation between salivary cortisol and sensitivity to pain, and also study the role of age and gender. methods: seventy eight children (33 girls and 45 boys, aged 3 to 12 years) with all participated in this study...

introduction nonclassical congenital adrenal hyperplasia (cah) is characterized by sufficient cortisol and aldosterone production at the cost of androgen overproduction. hydrocortisone or dexamethasone in supraphysiological doses are current treatment; however, their downside is suppression of endogenous cortisol production resulting in corticosteroid dependency. we aimed to treat children with...

introduction: multiple sclerosis is a progressive neurological disease is most common in young adults. this disease has created many problems for patients and it leads to disability and dependence in life. clinical findings indicate that mental stress of everyday life events gradually work different body systems including the immune system is affected and can weaken it. various factors can modu...

background noise exposure is known as a risk factor for hearing loss and one of its effects is noise-induced stress. cortisol as a stress hormone is used in noise-induced stress assessments. objectives the aim of this study was to measure and compare saliva cortisol concentrations in the morning and evening in normal work day and rest day in both case and control groups and to assess the associ...

to evaluate the levels of cortisol, glucose and other possible indicators of goldfish, carassius auratus, in response to stress, in the first experiment, bisphenol a (0.5 mg/l), naphthalene (200 μg/l) and butachlor (60%) (0.28 µg/l) were added to the aquariums water for two weeks. in the second experiment, intra-peritoneal injections of  bisphenol a, naphthalene and butachlor, with dose 50 mg/k...