Understanding the Causes of Helicobacter pylori Infection: What You Need to Know Introduction Helicobacter pylori (H. pylori) infection affects more than half the world's population. It’s a major cause of stomach ulcers and can lead to serious stomach cancers. Knowing how this bacteria spreads helps us avoid infection and stay healthier. In this article, we’ll explore how H. pylori infects people. We’ll look at how it spreads, the factors that increase risk, and what we can do to prevent it. Let’s get started and uncover what really causes H. pylori infections. How Helicobacter pylori Infect