There are many factors that cause gastric cancer in life, and the cause of gastric cancer is also an issue of concern to many people. How much do you know about the causes of stomach cancer? Next, let experts analyze what are the causes of stomach cancer so that we will no longer be unfamiliar with them. Environmental factors: industrial waste gas, chemical fertilizers, pesticides, certain food additives, and moldy fried, salted and smoked foods all contain carcinogenic substances. They can contribute to the occurrence of gastric cancer, especially bad dietary habits, frequent untimely meals and irritating foods, which can cause chronic stimulation of gastric mucosa, causing its dysfunction, congestion, edema, erosion and increasing the chance of gastric mucosa carcinogenesis. Psychoneurological factors: A lot of studies have proved that the incidence of gastric cancer is relatively higher among those who have suffered from major trauma and sulking. Those who are sluggish, dull, indifferent or impatient have a slightly lower risk, while those who are cheerful, optimistic and lively have the lowest risk, which is also the cause of stomach cancer. 3. Causes of stomach cancer caused by dietary factors: 1. Prefer to eat foods containing nitrosamines, such as sauerkraut and vegetables of poor quality. 2. Long-term intake of high-protein food. According to the survey, the more protein intake, the higher the incidence and mortality rate of gastric cancer. 3.Like to eat salty food, such as salted fish, salted meat, salted vegetables, etc. 4. Prefer to eat fried and smoked foods. As these foods contain more benzo(a)pyrene, it is easy to cause stomach cancer. The causes of gastric cancer include gastric disorders and general health condition: a large number of surveys show that the occurrence of gastric cancer is closely related to chronic atrophic gastritis, especially those with heterogeneous hyperplasia of gastric mucosa and intestinal epithelial metaplasia. It is also related to gastric ulcers, especially the ulcers that do not heal for a long time. It is also associated with gastric polyps, post-surgical gastric surgery, and bacterial infection in the stomach. As mentioned above, these are some knowledge about the causes of gastric cancer. After reading the above brief introduction, you must be quite impressed. I hope you can get treatment as soon as possible, and I wish you good health.