[no abstract available]

background: the incidence rate of esophageal squamouse cell cancer (escc) in eastern part of golestan province in iran is among the highest ones in the world. in order to discover the factors interplay in high rate of escc incidence, several case-control and cross-sectional studies were established in this area.as a cohort study has priority in detecting risk factors of a disease, a 10-year pro...

the prognosis of the neoplastic diseases depends not only on the biogenetic characteristics of cancer cells but also on the immunological response of patients, which may influence the biological features of cancer cells themselves as well as the angiogenic processes. moreover, the immune system in vivo is under a physiological psychoneuroendocrine (pne) regulation, mainly mediated by the brain ...

background:â  northeastern iran has a high incidence for squamous cell esophageal carcinoma (escc). the aim of the study is to the assess relationship between celiac disease (cd) and escc. materials and methods:â  this was a two-part, cross-sectional, case-control study performed during 2006-2011 in gonbad, â golestan, iran. serum iga anti-tissue transglutaminase antibody levels were measured f...

background only a few studies in western countrieshave investigated the association between gastroesophageal reflux disease(gerd) and mortality at the general population level and they have shown mixedresults. this study investigated the association between gerd symptoms andoverall and cause-specific mortality in a large prospective population-based studyin golestan province, iran. methods base...

background: one of the most important environmental risk factors for kidney cancer is occupational exposure to chemical carcinogens. since the isfahan province is one of the major industrial centers in iran and various chemical industries operating in the province, this study was conducted to determine the association of kidney cancer and occupation. methods: this case-control study was conduct...

in the united states, 40 – 50% of the men and women 50 years of age or older regularly use multivitamin/mineral (mvm) supplements, making the annual sales of these supplements over $11 billion. however, the question remains whether using mvm supplements is beneficial to health. this article reviews the results of randomized studies of mvm supplements and individual vitamins/mineral supplements ...