The document defines health according to the WHO as a state of complete physical, mental and social well-being, not just the absence of disease. It discusses different concepts of health, including biomedical, ecological, psychological, and holistic. It outlines dimensions of health as physical, mental, social, spiritual, and emotional. Determinants of health are factors that influence individual and population health outcomes. These factors include gender, genetics, behavior, environment, employment, social support, education, income, health services, and others.