This document discusses stress in middle and late adolescence. It defines stress as feeling overloaded and unable to cope with demands. Stress can be positive if it motivates performance, but is negative when it causes social, physical or emotional problems. Stressors are categorized as cataclysmic events, personal events, and post-traumatic stress disorder. Prolonged stress can damage organs. Coping mechanisms include problem-focused strategies, emotion-focused strategies, and proactive coping. Healthy ways to cope include self-care, leisure activities, time management, exercise, sleep, social support, and avoiding drugs and alcohol. The document provides questions for reflecting on personal sources of stress and coping abilities.