One report says that research on media violence and its relationship to real-life aggression is substantial and convincing. Young persons learn their attitudes about violence at a very young age and, once learned, those attitudes are difficult to modify. Conservative estimates are that media violence may be associated with 10 percent of real-life violence.
Several longitudinal studies have linked exposure to sex in the media to earlier onset of sexual activity. they air unprecedented amounts of sexual situations and innuendoes in their primetime programs.
And, when it comes to substance abuse, witnessing smoking scenes in movies may be the leading factor associated with smoking initiation among youth. In addition, young persons can be heavily influenced by alcohol and cigarette advertising. More than $20 billion a year is spent in the United States on advertising cigarettes ($13 billion), alcohol ($5 billion), and prescription drugs ($4 billion).
Media use is also implicated in the current epidemic of obesity worldwide, but it is unclear how. Children and adolescents view an estimated 7,500 food advertisements per year, most of which are for junk food or fast food. Contributing factors to obesity may include that watching television changes eating habits and media use displaces more active physical pursuits.
The media are a major contributor to the formation of an adolescent's body self-image. In Fiji, a naturalistic study of teenage girls found that the prevalence of eating disorders increased dramatically after the introduction of American TV programs.
Just the sheer amount of media our kids experience at the very least, distracts them and can even actively prevent them from coming to faith by presenting a one-sided, negative picture of Christianity * Level 3