Biofeedback is a non-invasive process by which an individual can learn to change his or her physiological activity (i.e. muscle tension, blood pressure, or heart rate) to improve their health and overall well-being. Treatment often involves using precise instruments measuring physiological activity such as breathing, heart function, muscle activity, and skin temperature to provide ‘feedback’ information to clients. This information in conjunction with changes in thinking, feelings, and behavior promotes physiological changes. Biofeedback therapy is often used to treat: Migraine and tension headaches and many other types of pain, high blood pressure, cardiac arrhythmias, disorders of the digestive system, Raynaud’s disease, epilepsy, and paralysis and other movement disorders. In addition, biofeedback is extremely effective at treating conditions brought on by severe stress.