What is generalised anxiety disorder (GAD), and what are the key diagnostic criteria and symptoms that therapists should be aware of when working with clients with GAD?

Generalised anxiety disorder is a mental health condition characterised by excessive and uncontrollable worry, tension, and anxiety about various aspects of life. Therapists should be familiar with symptoms such as restlessness, irritability, difficulty concentrating, muscle tension, and sleep disturbances that are commonly associated with GAD.