Each spot of the body is symbolical of an inner movement; there is there a world of subtle correspondences. …The particular place in the body affected by an illness is an index to the nature of the inner disharmony that has taken place.
It points to the origin, it is a sign of the cause of the ailment. It reveals too the nature of the resistance that prevents the whole being from advancing at the same high speed. It indicates the treatment and the cure. If one could perfectly understand where the mistake is, find out what has been unreceptive, open that part and put the force and the light there, it would be possible to re-establish in a moment the harmony that has been disturbed and the illness would immediately go.
Ref: Questions and Answers 1929 – 1931