Ulcers

Part 1: Peptic ulcers often co-occur with Helicobacter pylori bacteria. However, some people with the bacteria do not get ulcers, and some people with ulcers do not have the bacteria. Do the bacteria cause the ulcer?

Your vote: Yes No

Part 2: These ulcers are effectively treatable by an antibiotic that kills Helicobacter pylori. Does this change your answer as to whether the bacteria causes the ulcer?

Your vote: Yes No