the 3D-NLS to evaluate the state of a person’s health, several organs have to be controlled and the results analysed using these four types of analysis. This implies an extensive analysis which should be done by a well educated therapist or a medical doctor. This examination goes further and deeper than a normal examination of a sick person. The technology can reveal a pathological state before appearance of symptoms, and can thus be used in a preventive way. Here is a description of the four different methods which can be used for analysis in order to help the therapist in his evaluation of the results and choice of adequate therapy.