Glossary
NICE
National Institute for Health and Care Excellence.
NNH
The Number Needed to Harm. If the NNH was 10, then 10 people would be treated and one would be harmed.
NNT
The Number Needed to Treat. If the NNT was 10, then 10 people would have to be given the treatment for it to work for one person.
Nocebo effect
The opposite of a placebo effect, when a placebo appears to give side effects rather than benefits.