This document discusses stress, its causes, effects, and management. It defines stress as the body's response to any demand, and describes it as generally negative but sometimes positive (eustress). Common stressors include work, school, relationships, health, and money issues. Short-term effects of stress include physical symptoms like increased heart rate and headaches. Long-term stress can lead to anxiety, depression, physical illnesses, and changes in behavior. The document outlines various models of stress and provides strategies for managing stress, such as identifying sources, exercising, spending time with others, relaxation, better time management, and maintaining a healthy lifestyle.