摘要: Summary Gastric cancer (Gc) is generally conceived as having a multifactorial origin. Different genetic factors, soil, nutritional and socioeconomic factors have all been mentioned in the literature possible causes. Further research on causation of Gc has, fact, hampered by large number hypotheses. A strong geographic association between gastric stroke mortality was found chance 1964; this could be spurious, but quantitative analysis data showed similar relationships both countries within (e.g., different US Japan), very unlikely situation if due to chance. The same relationship maintained using multiple regression mortality. All observed for each sex separately sexes combined. working hypothesis set forth 1965 that salt intake predominant linking factor types Stroke would then influenced t...