Media messages are endemic in our society, through contact to television plus radio, movies, outdoor and point of sale advertising, via newspapers and magazines, on the internet and throughout books, brochures and posters. In the United States, more families have a television set than a telephone. Given a conservative estimate of 2.5 hours of watching TV each day over a lifetime, and accepting 8 hours of sleep per night, the average American could spend 7 years out of the roughly 47 waking years we have by age 70 watching TV. Young people average 16 to 18 hours of television watching per ...