Family types, functions, and role in health - The document defines a family and discusses various family types like nuclear, joint, three generation, and single parent families. It outlines the family life cycle and stresses. Family functions include residence, division of labor, child rearing, socialization, and care of dependents. The family plays a key role in health through child rearing, personality formation, caring for the sick, and providing social and emotional support. Certain diseases can run in families due to shared genes. Problem families can experience health issues due to factors like poverty. Overall, the family is a primary social unit that influences health.