How can you treat a young person who is exhibiting the first signs of psychosis? Mabel Chew talks to Professor Tim Kendall a consultant psychiatrist and director of the National Collaborating Centre for Mental Health at the Royal College of Psychiatrists. Professor Kendall is co-author of both a systematic review and meta-analysis into early treatments to prevent psychosis, and co-author of a new set of NICE guidelines into management of the condition.