Many people take PPIs like omeprazole for heartburn. Others have Barrett's esophagus. Will PPIs really prevent esophageal or stomach cancer?
Research in rodents shows that black raspberries may prevent esophageal cancer despite the presence of Barrett's esophagus; human studies are inconclusive.
A new study does not show that taking PPIs reduces the likelihood of esophageal cancer in people with Barrett's esophagus.