The relationship between nitrate in drinking water and gastric cancer in the Isfahan province

Medical geography is one of the sciences that geography topics related to health and disease using quantitative and qualitative methods is studied cartography, statistical analysis, one of the diseases that are prevalent today gastric cancer.
This disease worldwide, and more equal distribution in Southeast Asia can be seen, the rate of future generations of immigrants to learn the risk increases that may be due to the impact of environmental pollution on the incidence of this disease. The need for special attention to environmental causes increased prevalence of disease in the world, especially Iran confirmed.
In this study, two types of patients with gastric cancer and nitrate in drinking water is used,for Mapping information for mapping and GIS software was used to analyze the statistical software SPSS and EXCEL.
Findings: The main focus of the city in the province of Frieden, the city Semirom and Ferydonshahr. The comparison of these centers are centers of nitrate in drinking water (nitrate areas between 45 to 20 Mg/l) showed These areas are based on the correlation and regression coefficients are positive, with R =42% and P = 0.05 , respectively. The disease is more prevalent in people over 75 years and men.
According to the results obtained in this study and studies Nitrate in drinking water can cause an increased risk of gastric cancer, especially in the older people.