Laughter Yoga, recognized as a nursing intervention by the Nursing Interventions Classification (NIC) authority, has opened new frontiers in both research and practice. This book serves as a comprehensive exploration of laughter yoga within the field of nursing, bringing together the contributions of 43 experts across 26 chapters. It merges a people-centered approach with cutting-edge scientific findings, establishing itself as a key resource in literature. In today’s dynamic healthcare landscape, laughter yoga interventions for healthy and ill individuals, families, and communities have proven to be invaluable for advancing nursing practices. While other books may provide general insights into laughter yoga, this publication delves deeply into its role as a recognized nursing intervention, examining its rapid rise as a research topic. The book offers an in-depth analysis of laughter yoga's effects on a variety of populations, from children to the elderly, and in areas ranging from menopause to cancer care. By highlighting current international research, the book sets itself apart, evaluating the role of laughter yoga in specific nursing processes and filling a gap in literature. This comprehensive approach makes it a crucial resource for both practitioners and researchers, providing valuable insights into contemporary issues and contributing significantly to the field of nursing.