The article entitled ‘Drug firms in dispute over side effects of ulcer
treatments’ (This Week, 3 March) incorrectly stated that the H2
blocker ranitidine induced the formation of carcinoid nodules in the stomachs
of rats. Ranitidine does not have this effect and for this reason can be
used for the long-term maintenance of ulcer patients as well as for their
acute treatment.
More from New Scientist
Explore the latest news, articles and features

Earth
A volcano has erupted remnants of Earth's primordial magma ocean
News

Space
Audacious mission to rescue NASA's falling telescope has launched
News

Life
Orangutan mothers seem to plan playdates for their offspring
News

Environment
Evocative photos of Canadian Arctic win New Scientist Editors Award
Regulars
Popular articles
Trending New Scientist articles
1
The world's fastest spider tops 3.5 metres per second
2
Random wobbles in time could finally solve gravity’s greatest mystery
3
A type of fibre that stimulates GLP-1 release approved for use in food
4
Orangutan mothers seem to plan playdates for their offspring
5
The 4 must-watch science-fiction films of the year so far
6
Humans sleep the least of all apes – is it the secret to our success?
7
Synthetic biology may finally be ready to solve life's biggest mystery
8
A volcano has erupted remnants of Earth's primordial magma ocean
9
The best new science-fiction novels published in July 2026
10
Where did the laws of physics come from? I think I've found the answer