The document discusses various physical and psychological hazards that can occur during different life stages from infancy to late adulthood. In infancy and babyhood, hazards include complications during birth that can cause brain damage, prematurity, and accidental injuries. During early childhood, common hazards are illnesses, accidents, and obesity. Puberty brings physical changes that can cause social and emotional difficulties if malformations occur. Physical and psychological challenges continue throughout adulthood and elderly years as the body and mind decline. Hazards include health issues, role changes, social isolation, and economic insecurity.