[What are the symptoms of H. pylori infection? ]#The risk of stomach cancer doubles in people infected with Helicobacter pylori#. Data show that the infection rate of Helicobacter pylori (Hp) in the population is very high, and the infection rate of Chinese people is 40% to 50%. Hp is considered to be the main cause of chronic gastritis, peptic ulcer, gastric cancer and other diseases, and is also listed as the first carcinogen. Stamp↓@Life Times