This document summarizes a chapter about stress and stress management from a psychology textbook. It defines stress, describes the fight or flight response, and identifies common signs of stress in the physical, behavioral, cognitive, and emotional domains. It discusses the four main sources of stress - environmental factors, social factors, physiological factors, and thoughts. The chapter provides strategies for managing stress, including identifying stressors, challenging irrational beliefs, relaxation techniques like deep breathing and visualization, and adopting healthy behaviors. It notes that some stress can be beneficial, but too much stress can negatively impact health and functioning.