The document discusses stress, stressors, signs and symptoms of stress. It defines stress in physics and psychology. Stress arises from situations that cause emotional disturbance like anger, fear or anxiety. Stressful situations are those where the demands outweigh our coping skills. Stressors can come from the environment, society, physiology, and thoughts. Positive stress is short-term and motivates us, while negative stress causes anxiety and decreases performance. Common signs of stress include headaches, digestive issues, sleep problems, mood changes and difficulty concentrating. Prolonged stress can negatively impact physical and mental health.