Regardless of how successful, healthy, proficient, or happy you are, stress is an unavoidable factor in life. Stress is such a common part of daily life that people often forget that there are actually many different sources of stress, ranging from personal issues to large-scale disasters. How often you experience it and how capable you are of handling it can be examined by exploring some of its main causes, different reactions you have toward it, and the physical dangers you face in coping with it.