Stress is an integral part of life. Stress plays a key role in daily life, influencing - if not governing - happiness, productivity and health. Stress is known to cause various psychiatric disorders involving anxiety and depression, including posttraumatic stress disorder, major depression, generalized anxiety, and multiple personality disorders. The more stress one puts on themselves the weaker one's immune system becomes. With a weakened immune system we become susceptible to disease and injury. Stress is an adaptive response. It's the body's reaction to an event that is seen as emotionally disturbing, disquieting, or threatening. To prepare for an event, the body increases its heart rate an