This course explores the different stages of human life-newborn, infancy, childhood, adolescence, adulthood- and the biological, psychological, and social changes occurring in each stage. It emphasizes physiological, psychological, socio-cultural, spiritual, and moral development within the framework of selected theories. Health problems specific to different developmental stages are discussed and nursing interventions to promote growth and development are explored according to developmental stages. The role of nurses is identified in health promotion and disease prevention of different age groups under various health care setting.