The impact of watching disturbing content online

US blogger Perez Hilton is recovering in hospital after members of the public reported that he had appeared to self-harm during a TikTok livestream. Hilton, whose real name is Mario Lavandeira, was home alone during the time of the live stream, police confirmed, and had his TikTok account suspended soon after.But, when distressing content like this ends up online, what impact does it have for young or vulnerable people watching it?Joining Shane is Patricia Casey, Consultant Psychiatrist at the Hermitage Clinic and Professor Emeritus of Psychiatry at University College Dublin.