Healthy citizens are one of the keys to thriving communities. The global understanding of disease and medicine has advanced with innovations in science and technology, but preventable physical diseases persist around the world. This book outlines many of the major health crises facing the world today, including communicable diseases, environmental threats, and the challenges of providing effective health care. Photographs, charts, and real-world examples illustrate the narrative's main concepts in detail. With fact-based prescriptions for global health, readers will be empowered to take an active, problem-solving role in the effort to build healthy communities.