This book reviews the research trends of cognitive aging and brain health from full-scale. It not only contains cognitive aging's neurophysiological mechanism, clinical research and intervention measures, but also covers cognitive aging's social psychological mechanism, such as the relation between old people's motion, socioeconomic status and the cognitive aging. Through decades of research and practice, the views towards the cognitive aging process havebeen transferred from coping with cognitive decline to promoting cognitive ability. This book provides with the latest research findings and in-depth opinions of the cognitive aging and brain health, assisting researchers to grasp the theories, practice and trends of this field, and guide health-care workers to carry out the treatment and nursing for the aged.