Core Viewpoint - The article emphasizes the importance of cancer prevention and awareness, particularly focusing on gastric cancer, which poses significant public health challenges due to its high incidence and mortality rates. It highlights the need for early detection and intervention to improve patient outcomes and quality of life. Group 1: Causes of Gastric Cancer - Gastric cancer is influenced by both intrinsic and extrinsic factors, categorized into strong, moderate, and weak correlations [2] - The primary strong correlation factor is Helicobacter pylori infection, responsible for approximately 60%-70% of gastric cancer cases. Early eradication can reduce the risk [2] - Genetic predisposition is also a strong factor, with a family history of gastric cancer increasing the risk by 2-3 times [2] - Modifiable lifestyle factors, such as poor dietary habits and smoking, are moderately correlated with gastric cancer risk [2][3] - Weakly correlated factors include chronic gastric conditions and occupational exposures [3] Group 2: Early Warning Signs - Early symptoms of gastric cancer can be confused with common gastric issues. Key warning signs include [4] - Digestive tract bleeding, indicated by black tarry stools or blood in vomit [5] - Unexplained weight loss exceeding 10% in a short period, accompanied by loss of appetite and fatigue [6] - Persistent abdominal pain that does not improve with medication [7] - Abdominal masses or swollen lymph nodes in the upper left abdomen [8] - Difficulty swallowing, especially if the tumor affects the lower esophagus [9] Group 3: Prevention and Screening - Early detection significantly improves treatment outcomes, with over 90% cure rates for early-stage gastric cancer [11] - Regular screening via gastroscopy is recommended, especially for individuals over 45, with annual checks advised [11] - Lifestyle modifications are crucial for prevention, including a healthy diet, avoiding smoking and excessive alcohol, and regular physical activity [11] - The article stresses that gastric cancer prevention requires lifelong commitment from individuals, families, and society [11]