Stress management techniques are important for physical and mental health. The document outlines various causes of stress including relationships, school, health issues, and major life changes. It describes the body's physical and emotional response to stress through the fight or flight response and subsequent resistance and exhaustion stages if stress is not managed. Effective stress management strategies discussed include exercise, a healthy diet, sufficient sleep, avoiding unnecessary stressors, time management, positive thinking, and relaxation techniques. Finding stress reduction methods that work best for the individual is key to handling stress and its negative impacts on health and well-being.