This work shows the results of a study concerning the acquaintance about frequency and motivation of risky behaviors for teenagers’ health, and the efficiency of the campaigns regarding the studied behaviors: smoking, consumption of alcohol and drugs. The research is done on a 262 pupils batch in basis of an anonymous questioner used before and after a complex informing campaign. The results shows levels about 45,2% (smoking), 60,5% (alcohol consumption), 11,8% (drugs’ consumption) and a low level of teens’ know ledges about the involved risks. Keeping sight of these results, a great number of pupils (91,6%) consider as useful the introduction of such kind of educational lessons about these topics. So, an educational program was achieved and the first beneficiary was one of the studied batch, composed by 108 pupils, which were involved in know edging, educating and counseling activities. Thus was satisfied the request of information regarding the level of danger, thus was tried to change the opinions, attitudes and behaviors of teenagers and thus was obtained some acquirements: the acknowledge of risky situations, ways to refuse an to resist in front of a group pressure.