Academic, scientific or professional interest: From a wide view the Public Health can be identified with the set of efforts organized of the society with a main mission: to prevent health problems and to encourage the health of the community. The broad field of action in Public Health implies the participation of a considerable group of professionals from the sanitary area mainly from the medicine, nursing, pharmacy, veterinary, etc… as well as other non-sanitary professionals that apparently develop their labour in other areas, but that in many occasions are indispensable for the consecution of the main objective.