Helicobacter pylori (H. pylori) infection is a type of bacterial infection that affects the stomach and has been linked to a variety of gastrointestinal diseases. It is estimated that approximately two-thirds of the world population is infected with the bacteria. While the infection can lead to serious stomach conditions, there are several positive benefits associated with having H. pylori infection.

1. Lower risk of Asthma: Studies have found that individuals with H. pylori infection have a lower risk of developing asthma. This is due to the fact that infection with H. pylori changes the balance of bacteria in the gut, which reduces the risk of having an allergic response to the environmental triggers that can cause asthma.

2. Protection from Gastroesophageal Reflux Disease (GERD): Although H. pylori infection can cause GERD, it can also be protective against the development of GERD. This is because the bacteria can keep the acid produced by the stomach away from the esophagus, which in turn can reduce the risk of developing reflux.

3. Reduced Risk of Stomach Cancer: Several studies have demonstrated that individuals with H. pylori infection have a lower risk of developing stomach cancer. This is due to the fact that H. pylori prevents the body from producing too much of the damaging hormones and chemicals that can lead to stomach cancer.

4. Protection Against Non-steroidal Anti-inflammatory Drugs (NSAIDs): Many people who use NSAIDs like ibuprofen for pain relief are at risk of developing gastric ulcers due to the side effects of the drugs. Patients with H. pylori infection, however, are at a much lower risk of developing the ulcers than those without the infection.

5. Reduced Risk of Heart Disease: Patients with H. pylori infection are at a lower risk of developing cardiovascular disease, which includes coronary artery disease, heart attack, and stroke. This is thought to be due to the fact that infection with H. pylori helps to block the production of bad cholesterol in the body, which can lead to hardening of the arteries.

H. pylori infection can cause gastric issues, but it can also be beneficial in certain cases. If you have contracted the infection, it is important to talk to your doctor to determine whether the benefits outweigh the risks. In some instances, treatment may not be necessary as the infection does not always cause symptoms.