Harm to beer for teenagers

The harm of beer for teenagers. What is beer - a pleasant drink for quenching thirst or the first step of teenagers to serious alcoholism? What harm do beer teens have on their heart and the reproductive system? The damage of beer as a result of the impact of aggressive beer advertising on the minds of adolescents. Why do teenagers start drinking beer? Elements of antisocial behavior of adolescents when drinking beer. Why do teenagers switch from beer to strong spirits?