This volume presents a balanced assessment of the research evidence, highlights important directions for future work, and draws clear links between theory, research, and clinical practice. As the most complete and authoritative resource on the topic of physical activity and mental health, this is essential reading for researchers, students and practitioners in a wide range of fields, including clinical and health psychology, psychiatry, neuroscience, behavioural and preventive medicine, gerontology, nursing, public health and primary care.