Does Helicobacter Pylori Cause Stomach Cancer?

- Sep 01, 2020-

This is already clear about the relationship between H.pylori and gastric cancer. As early as 1994, the World Health Organization (WHO) classified Helicobacter pylori as a first-degree carcinogen, and the evidence is solid.


Of course, the process of Hp bacteria causing gastric cancer is very long and is closely related to individual factors. There is a clear relationship between the two, but there is no inevitability.

As for whether Helicobacter pylori will be contagious, it is also very clear. Yes, and Hp bacteria are highly infectious.

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In most cases, the first Hp infection occurs in infants and children (mostly before the age of 10), and infections after adults are relatively rare (but they also exist).


The transmission route of H.pylori is generally oral-oral and fecal-oral routes. Intimate contact, eating contaminated food and drinking water may cause infection.The main source of infection of Hp bacteria usually comes from family members, such as parents, couples, siblings, etc. When our stomach is infected with H.pylori, it is usually combined with oral H.pylori positive. In addition, our eating habit is to eat around the table and share dishes, which causes mutual infection among family members.