The examination of health-related questions holds a firm place in the study of Social Work and is part of the core curriculum in bachelor's programs. Approximately 20% of all social workers are employed in the healthcare sector in a narrower sense; at the same time, health work plays an important role in most other fields of social services. This book clarifies fundamental health science questions, addresses aspects of social security, and reflects on the specific role of social work in promoting health competence. Through concrete examples from various fields of work, the range of health work is explored. Organized by the age of clients, fundamental health science and social medicine knowledge is always intertwined with methodological action and illustrated through case studies. Exemplarily.