The XX century it filled from splendor to the medicine with the revitalización and the resurgence of the Centers Thermal calls also called spas and that significantly the systems of health have created the bases for the development of a highly beneficial medicine and of very low cost, this way the Medical Hydrology with their waters mineromedicinales, the mire mineromedicinal, the climate, the seawater among other, acquires a considerable relevance again, everything added it to the importance that they are acquiring the preventive therapies and of promotion, with that which people don't only go to the Thermal Centers to receive a very established rehabilitation program, and to recover of pathologies, but to prevent them and to be liberated of the physical and psychic load of with a lot of estrés, that generates the current life, being pointed out, therefore, as an important line in the public health of many countries in the current moments. Among their many very grateful results they are the affectations of the Nervous System so much Central as outlying as for example meningomielorradiculitis, epidemic poliomyelitis, meningoencefalitis, aracnoiditis, encephalitis, traumas of the spinal marrow and their membranes, radiculitis, polirradiculoneuritis, plexitis, neuritis, neuralgias and neurofibromiositis, parkinson in non-severe forms and anothers.