Stomach Cancer Risk Factors

The following are suggested as risk factors for stomach cancer:

  • Helicobacter pylori infection
  • diet that includes large amounts of the following:
    • smoked foods
    • salted fish and meat
    • foods high in starch and low in fiber
    • pickled vegetables
    • foods and beverages that contain nitrates and nitrites
  • tobacco abuse
  • alcohol abuse
  • previous stomach surgery
  • megaloblastic (pernicious) anemia (caused by vitamin B12 deficiency)
  • Menetrier's disease
  • marked increase after age 50 (most patients are in their 60s, 70s, or 80s)
  • male gender (more men are diagnosed with the disease than women)
  • having blood type A
  • family history of the following:
    • hereditary nonpolyposis colon cancer (HNPCC)
    • familial adenomatous polyposis (FAP)
    • stomach cancer
  • history of stomach polyps
  • exposure to environmental factors such as dusts and fumes in the workplace

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