Unless a way of relieving stress is found, the result will be a psychosomatic disease, a serious loss of health, or complete collapse. Immune system - Body's immune system is regulated, in part, by the brain. Because of this link, stress, upsetting thoughts, and emotions may affect the immune system in ways that increase susceptibility to disease. Health psychology aims to do something about it. Behavioral medicine .
Psychologists apply psychological knowledge to medical problems.
Their interests include the control of pain, adjustment to chronic illness, adherence to doctors' instructions, psychosomatic disease, and similar topics. At or near ideal weight for height 3. Never smoked cigarettes 4. Use alcohol moderately or not at all 5. Get regular physical exercise 6.