The biggest problem of teenagers nowadays is the exposure of teenagers to internet through the use of smartphones by teenagers, thereby exposing them to a lot of adult ways of life and thereby increasing early sex at teenage life.As a result of this exposure , the way of life of teenage are just revolving around what they see and read on the internet. Many life of the teenagers are changing according to what they see and read. Early in their Teenage life, they engage in a lot of sexual activities, drugs, join groups that ordinarily their parent would least expect their children is involved. Continuing in this Exposures lead to a life of crime and other vices.So the biggest problem of Teenagers nowadays are over exposure to Internets and Internets contents that are meant for Adults.