Television was available in the 1950s. Ever since, medical community has started raising concerns on the effect media on adolescents. Of course, it has its own advantages like an early readiness for learning. Availability of multiple media like television, computers and mobile phones lead the adolescnts to multitasking with only partial attention to each. Only few adolescents can study well with partial attention. Media violence can lead to aggressive behaviour. Studies have docuented
160% increase in aggression. and hostility is more. Dsensitization to media violence leads to decrease in concern for other persons’ pain. Often more time is spent watching media than at school. Time spent talking talking on mobile phones is also high. Child may spent time on phone overnight and be sleepy at school in the morning. Interactive video games with violence increase the tendency for personal violence. Sexual references are too many on the media and often give a distorted picture. Body image perceptions cause eating disorders. Commercials promote unhealthy eating and obesity increases. Substance abuse also is promoted by commercials. Accidents are increasing due to drunken driving. Countries in which tobacco ads are banned, there is a 6% decrease in smoking. Internet is very useful as an information highway and a home library, but most often it is a source of harmful information. Media has a high power for shaping the future of the adolescent.