The ninth edition offers cutting-edge, evidence-based strategies to help older adults thrive and optimize their health throughout the aging process. Health in later life involves more than just medical care, diet, or exercise—it requires a comprehensive approach to anticipating the physical, cognitive, and social changes that come with aging. The ninth edition of Health Promotion and Aging explores threats to health in old age, such as declining muscle mass, chronic conditions, medication use, and social isolation. It provides evidence-based tools to assess these threats and build a personal 'health reserve' to maintain function and wellbeing. The textbook addresses key questions about the value of preventive services and the importance of empowerment and goal-setting—such as focusing on weight management rather than weight loss. It challenges conventional thinking on healthy aging, from redefining falls prevention to evaluating digital tools for cognitive health. With practical