This configuration varies from one person to another. There is a thin, obese, muscular and irregular form. The person may have more than one attribute at the same time. It is believed that every mental illness has a particular genetic makeup. It is noted that mad mania and depression are frequent in fat formation, while hysteria and epilepsy increase in muscle formation, while Neurastania is most often found in slim formation, and we find schizophrenia also in the slim configuration And irregular, for all that We find that by observing the congenital composition of the patient a general idea of his personality can be formed, but it should be a preliminary idea to be debated, since any disease can occur in any composition.