Stress occurs when you perceive that demands placed on you — such as work, school or relationships — exceed your ability to cope. Some stress can be beneficial at times, producing a boost that provides the drive and energy to help people get through situations like exams or work deadlines. However, an extreme amount of stress can have health consequences, affecting the immune, cardiovascular and neuroendocrine and central nervous systems, and ..... http://valourdigest.com/five-tips-help-manage-stress/