Adjust the spinal column and other parts of the body to prevent disease and to correct abnormalities that may be caused by interference with the nervous system. May use water, light, massage, ultrasound, electric and heat therapy. Prescribe diet, supports, exercise and rest. The four years of study in a chiropractic college emphasize classes in manipulation and spinal adjustment.
Chiropractors concentrate on nerves, muscles, joints, posture, exercise and nutrition.
In the first two years, they study anatomy, biochemistry, microbiology, pathology, physiology, public health diagnosis and X ray, clinical disciplines, related health sciences, and chiropractic philosophy, principles and practices. In the final two years they do practical and clinical work with patients. They study the diagnosis and treatment of disease. They spend about half of their time in clinics. Licensing required in all states depends on passing a state board examination after graduation from chiropractic college.