the main objective was to find association between basal cortisol and neighborhood-level stress. systematic searches, including electronic and hand searches, were conducted. the most recent date of the search was july 26, 2013. primary observational studies included if they considered stress related outcomes in the neighborhood context. using the endnote x7 advanced search option; the authors e...

background: dental students have reported a high prevalence of psychological stress and the causes are associated with the challenging dental environmental and demographic factors. this study aimed to conduct a preliminary investigation on dental students’ stress status, using a sample of first-to-third-year bachelor of dental surgery students in an australian university. special interests incl...

Acute An exposure to an environmental stress that is brief in relation to the temporal scale of the biological system exposed. Biosphere All the plants and animals on Earth, together with the habitat they need for long-term survival. Biotic impoverishment The decline of a species to the point of having little or no ecological significance. Chronic An exposure to an environmental stress that is ...

conclusions it seems that noise pollution has harmful effects on the fertility of males. also these findings may suggest the use of a natural curative approach rather than pharmaceutical drugs to optimize both neuroendocrine gonadal axis and testicular integrity induced by pathogenesis stress, and enhance fertility capacity in men. background this study was conducted to examine the efficacy of ...

the main purpose of this paper has been to discuss the effects of psychological stress and other environmental factors on incidence of diseases. we were specifically concerned with stress that increased susceptibility of uninfected hosts when exposed to infection. if such stresses also reduced resources, fecundity and/or survivorship, there was a reduction in the host carrying capacity. in addi...

background : occupational stress is a psychosocial dimension of occupational health concept on social determinants of health, especially, job & environmental condition. recently, staff network of different government universities of thailand have called higher education commission, and ministry of education, thailand to resolve the issue of gov-ernment education policy (e.g. wage inequity, poor...

background : necessity of evaluating heat stress in the workplace, require validation of indices and selection optimal index. the present study aimed to assess the precision and validity of some heat stress indices and select the optimum index for using in heavy work activities in hot and dry climates. methods: it carried out on 184 workers from 40 brick kilns workshops in the city of qom, cent...