Are you a health advocate, practitioner, or student interested in understanding how to help people at any stage of life? Are you interested in developing health services, programs, or educational products to help people live healthier lives and heal sickness and disease? This book will help you understand the stages of human development throughout the childhood, adolescent, adult, and senior lifespan. Health curricula and instructional practices are explained and modeled for those who want to enhance their health services for the people they serve.