What do you know about 107% increase in teenage suicides in London?

Teenage suicides have been increasing at over 4 times the national rate in the city of London.  We see that self-inflicted deaths in London between the ages of 10 and 19 have more than doubled since 2013, rising by 107 per cent in the three years to 2016, from 14 to 29.  This rise in mental health issues isnt just related to suicide, the article says that, "Self-harm rose by 30 per cent, anxiety by 52 per cent and depression by 13 per cent, while eating disorders in North London shot up by 142 per cent in the three-year period."