in india, a survey indicates the prevalence of 30 times increase in hypertension among urban dwellers, compared with 10 times in rural inhabitants. 1 urbanization together with a change in life style, diet, and job stress, has been attributed in causing hypertension.stress can cause hypertension by elevating the blood pressure (bp) and by stimulating the nervous system leading to the production...

introduction: prenatal stress has deleterious effects on the development of the brain and is associated with behavioral and psychosocial problems in childhood and adulthood. this study aimed to determine the protective effect of l-arginine on fetal brain under maternal stress. methods: twenty pregnant wistar rats (weighting 200-230 g) were randomly divided into 4 groups (n=5 for each group). th...

one of the possible ways to ensure future food needs of an increasing world population involves the better water use through the development of crop varieties which need less water and are more tolerant to drought. in order to study the response of twenty landraces of bread wheat to drought stress, an experiment was conducted in a randomized complete block design with three replications under t...

salinity and drought stress are among the common environmental factors which adversely affect germination and growth of plants. this experiment was conducted to evaluate the effects of salinity and drought stress on turnip seed germination and early growth in seed lab of college of agriculture, university of tehran, during 2010. the experimental design was a complete randomized block with three...

background: the aim of this study was to verify a path model of job stress using thai-jcq. methods: the population of this cross-sectional study was 800 immigrant employees in the central region of thailand in 2015 by stratified random sampling. instruments used both the applied and standard questionnaires. job stress was measured using thai-jcq dealt with psychosocial work factors. a path mode...

background: in recent years, there is a growing appreciation of the stresses involved in nursing training. it is important for nursing educators to know the prevalence of psychological distress and psychological well-being among nursing students. the present study aimed to assess perceived stress in the undergraduate students studying in a nursing college located in north india. materials and m...

objective(s):   zinc oxide nanoparticles (znp) are increasingly used in sunscreens, biosensors, food additives and pigments. in this study the effects of znp on liver of rats was investigated.     materials and methods: experimental groups received 5, 50 and 300 mg/kg znp respectively for 14 days. control group received only distilled water. alt, ast and alp were considered as biomarkers to ind...

results higher levels of stress were due to the fear of being infected by hiv and hepatitis patients with mean of 3.2 and 58%; and lack of weekends with mean of 3 and 44%. the lowest levels of stress were related to inadequate skills with mean of 2.18 and 32%, and environment light with mean of 2.14 and 34.7%. stress was significantly related to job status, conflict of doctors and nurses as wel...