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World J Gastrointest Oncol. Mar 15, 2026; 18(3): 117083
Published online Mar 15, 2026. doi: 10.4251/wjgo.v18.i3.117083
Table 1 Dietary factors and their association with Helicobacter pylori-negative early gastric cancer
Dietary component
Effect on gastric cancer risk
High salt intakeIncreases risk; associated with mucosal damage and carcinogen promotion
Processed meatsIncreases risk; linked to carcinogen formation
Fruits and vegetablesProtective effect; rich in antioxidants and micronutrients
Dietary fiberProtective effect; aids in carcinogen excretion and gut health
Mediterranean dietProtective effect; rich in anti-inflammatory foods
Western dietIncreases risk; high in processed foods, red meats, and fats
Vitamin CProtective effect; reduces oxidative DNA damage
Vitamin DMixed evidence; some studies suggest protective effect