https://www.theguardian.com/technology/2021/sep/18/teenage-girls-body-image-and-instagrams-perfect-storm > The suffering of the photo-sharing app’s users came into focus this week with the leak of Facebook’s internal research > Emily started using Instagram when she was in her mid-teens and found it helpful at first. She used the photo-sharing app to follow fitness influencers, but what began as a constructive relationship with the platform spiralled into a crisis centred on body image. At 19 she was diagnosed with an eating disorder.