Understanding Psychological Health draws on Rational Emotive Behaviour Therapy (REBT) – which focuses on resolving emotional and behavioural problems and disturbances and enables people to lead happier and more fulfilling lives – to provide an understanding of psychological health.The book looks first at how people can remain psychologically healthy in the face of adversity and then goes on to discuss how these healthy philosophies underpin certain key areas of psychological health.This second edition describes REBT theory with greater accuracy and updates and adapts terminology for contemporary readers.It also includes new chapters detailing healthy responses to common life adversities and outlining aspects of healthy psychological functioning. The only book to discuss psychological health from an REBT perspective, Understanding Psychological Health is intended for helping professionals who have a particular interest in CBT/REBT and students in these areas.