The success of Christian Science in the healing of all manner of disease is the result of its dealing with mental causes in every case. Starting from the premise that God is the one and only Mind, hence the one and only cause, this Science uncovers the carnal mind's claim to causation in its various aspects and, destroying false mental causes, goes on to see evil physical effects disappear. The truth of cause thus wipes out error's presumption of cause.
Mary Baker Eddy writes in the textbook, "Science and Health with Key to the Scriptures" (p. 423): "The Christian Scientist, understanding scientifically that all is Mind, commences with mental causation, the truth of being, to destroy the error. This corrective is an alterative, reaching to every part of the human system. According to Scripture, it searches 'the joints and marrow,' and it restores the harmony of man."
Not until one is well established in the truth that divine Mind is the only cause is he ready to deal intelligently with false mental cause. One fallacy which sometimes seems to appeal to individuals is that every disease is the result of personal sin and that the sin must be probed for and exposed in order that healing may result. But Mrs. Eddy gives a broader basis for dealing with the so-called cause of disease. She says (ibid., p. 411): "The procuring cause and foundation of all sickness is fear, ignorance, or sin. Disease is always induced by a false sense mentally entertained, not destroyed."
