The discovery of this fact led to the ascertaining of two more, namely, _No disease is ever found without accompanying subluxation._ Since each organ or tissue is connected with some definite and special vertebra, subluxations accompanying disease bear a relation to disease which is controlled by a general law, operative alike on all human organisms. The latter fact required one other for its complete demonstration; namely, that the removal of the subluxation is always followed by the complete disappearance of the disease. Given more perfect methods of correcting subluxations it would follow that proof of the Chiropractic theory would be so complete and overwhelming as to meet at once with general acceptance. The difficulty lies in the fact that with our present methods much time is often required for complete correction of the vertebral displacement and much skill is needed even for successful investigation of the results obtainable. The theory is too often judged by unskilled or imperfect applications of it. Every school of Chiropractic accepts the presence of the subluxation and has spent much thought and time in the effort to deduce the law governing its connection with disease. Diverse conclusions have been reached owing to the difficulty experienced in completely eradicating the subluxation. When it _is_ accomplished the results are absolutely conclusive. When it is partially or relatively accomplished the results are so good in a great per cent of cases as to lead sometimes to the erroneous belief that the subluxation did not cause the disease since mere partial correction of the subluxation suffices to bring about the apparent total removal of the disease. In every case of thorough experiment the results warrant the recommendation of the subluxation theory as at least a proper working hypothesis. Without attempting here to review all the various conclusions reached or the methods by which they have been attained, we would simply state our own conclusion, which we believe is the only one compatible with demonstrable facts. It is briefly this: Since every portion of the body is connected through the nervous system with the spinal nerves and since it has been proven that this connection is reasonably constant and anatomically demonstrable; since the removal or correction of a subluxation leads in all cases to the complete disappearance of disease from the organs or tissues innervated from the subluxated portion of the spinal column, we conclude that the subluxation is the _primary cause_ of disease. The final test of the correctness of any theory is the result of its application. Since Chiropractic secures a larger percentage of results than any other known system of healing it is safe to assume, at least, that it has discovered the way to remove the primary cause of disease.