This extensive, cutting-edge compilation of essays on key public health topics is a must-read for professionals, students, and researchers, with topics focusing on the effects of climate change on health, global issues including treatment and prevention of diseases, health care policy issues, health care needs of special populations, gender-based violence, and current issues in ethics and human rights. The three volumes of Public Health in the 21st Century are comprised of timely essays on a wide variety of public health issues that affect the world today—and those that may do so tomorrow. The essays gathered here are the work of a team of top researchers that includes behavioral scientists, medical officials, environmental scientists, administrators, educators, and health-education experts. Volume one covers history, developments, and current issues in public health. Volume two is about disease treatment and prevention, and volume three discusses health disparities and policies that affect public health. The last volume also looks at cutting-edge research to show what the future may hold, discussing how we will deal with, for example, emerging threats to public health stemming from global warming, the mismanagement of natural resources, multidrug-resistant diseases, and the explosion of chronic disease. Each chapter presents an up-to-date, scholarly review of a specific issue and discusses the challenges that nations, communities, and individuals must address to create a healthier world.