An eighth-grade teacher has asked you to present information to her students about how watching television can affect adolescents' academics and behavior. What important information should you share with this audience? Write an essay that will serve as the basis for the speech you will deliver to the students. Include important details from the selection "Television and Adolescents" to support your discussion.

Watching television can greatly affect academics and behavior of adolescents. Watching television affect the academic performance of adolescents. The possible negative health effects of television viewing on children and adolescents are violent or aggressive behavior by watching violent films, increase sexual activity, increase in weight, poor body image. Watching more television waste time as well as decreased school performance. The adolescents stay away from physical activities such as sports and outdoor games.