摘要
Introduction Anxiety and depressive disorders pose significant public health issues across the world.Depression and other depressive disorders are mental illnesses characterised by a profound and persistent feeling of sadness or despair and a loss of interest in formerly pleasurable activities.Disturbances in sleep,appetite and cognitive processes are common symptoms.Globally,5%of adults are estimated to suffer from the disorder.1 Anxiety disorder is a chronic condition characterised by excessive and persistent apprehension,with physical symptoms such as sweating,palpitations,feelings of stress and increased blood pressure.