"Stress disrupts your equilibrium, increases your heart rate, raises your blood pressure, disrupts your digestion, decreases blood flow to your extremities, and triggers hypervigilance. Chronic stress is associated with a range of medical disorders including stroke, heart attack and cancer. As a result, one of the best things you can do to promote your health is to learn a variety of relaxation techniques and incorporate them into your daily life. " Susan L. Crum, Ph.D.