Psychology addresses the unique developmental stages, challenges, and support systems across the lifespan, including adulthood, aging, and the role of caregivers (attendants). Each phase has distinct psychological aspects that influence well-being, relationships, and coping strategies. 1. Adults in Psychology Definition: Adulthood is the period of life after adolescence, characterized by personal and social responsibilities, independence, and identity stabilization. It typically includes young adulthood (20–40 years), middle adulthood (40–65 years), and