Can severe mental illness be prevented by early intervention? Mental illness is highly prevalent in the general population and has its onset mostly in adolescence and young adulthood. Early intervention usually leads to improved prognosis. This book describes a newly developed, evidence based cognitive behavioural intervention that can be used by clinicians to treat the precursor symptoms of psychosis and other severe mental illness. CBT for those at risk of a First Episode Psychosis offers a detailed new psychotherapy that has been shown to reduce the chance of transition to a first...