But H. pylori was also not sufficient to produce the ulcers; most people in the world have it, but far fewer develop ulcers. As user interpenetrate has articul

But H. pylori was also not sufficient to produce the ulcers; most people in the world have it, but far fewer develop ulcers. As user interpenetrate has articulated in more depth, the error is in the need to identify a single, simple "cause".