4 ms·
Stress was neither necessary nor sufficient to produce the ulcers; it may have been involved in some cases, but it was not the "cause."
by xsmasher 7y ago
Stress was neither necessary nor sufficient to produce the ulcers; it may have been involved in some cases, but it was not the "cause."
- tomhoward 7y agoBut 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".