This book addresses the topic of aging and the resulting changes in well-being in an expanded and updated new edition. After introductory chapters on fundamental aspects of quality of life, lifestyle and needs, demographic forecasts, biological foundations of aging, and various symptoms of illness that often occur in older age, modern therapies for common age-related diseases are presented. Further chapters are dedicated to the treatment of disease- and therapy-related complaints and side effects, as well as the prevention of age-related ailments. A comprehensive study on pain in older age is discussed in detail. The new edition includes chapters on behavioral therapy, spirituality, memory training, urinary incontinence, and chemotherapy in older age. The book is aimed at doctors who treat older people.