In the Past, Ulcers Were Treated by a Bland Diet

Multiple Choice

In the past, ulcers were treated by a bland diet and drugs to reduce the acidity of the stomach. Today, ulcers are often treated with antibiotics. What evidence caused the change in treatment?

A) Experiments showed that antibiotics reduce stomach acidity better than the drugs used previously.
B) Experiments showed that Helicobacter pylori infection was the cause of many ulcers.
C) Experiments showed that the healing of ulcers required a more acidic, not a less acidic, environment.
D) Experiments showed that bland diets actually led to an increase in ulcers.
E) Experiments showed that ulcers were due to stress.