We always need to be sure about what we are talking about when presenting numbers: if you listen that there’s a prevalence of self-harm among young people, try to understand how self-harm is being defined; or if you read that inequality has soared during the last years, make sure you know what kind of inequality is being measured.
Most of the time, newspaper articles and news will only show you half the truth. It is your job to be curious enough to disentangle the other half.