Claim: Self-harming by teenage girls has doubled in the last 20 years.
Fact-check: Has the number of teenage girls self-harming doubled? - Full Fact
Verdict: the number of hospital admissions in england for girls under the age of 18 because of self-harm has doubled in that time. we don't know how much of that is down to improved recording or to an actual increase in self-harm.
Organisation: Full Fact
Author: Claire Milne
Date published: 2018-08-09T00:00:00