It is guessed right to define the earliest age, in which the incorrect behavior doesn't exist, as the critical period to transmit information or to intervene with SM for health and the quality of life, as for example healthy lifestyles. To prevent is more economic than to cure or to revert, mainly because one doesn't have to change an undesirable behavior, one only has to reinforce the patterns of the knowledge and existent behaviors, and to teach gradually other new in the appropriate moment and on the other hand the concern that this is carried out every time in groups of early ages, since it is verified internationally that children of 8 to 12 years smoke cigarettes, they drink alcohol and they have sexual relationships; they make decisions that will not affect alone the aspects of their own future but also that of their relatives and social environment.