The academy said that television viewing could affect the mental, social and physical health of young people.
Research on children's television viewing: The state of the art.
Also, the number of parents imposing rules for television viewing increased.
Two weeks into the last fall season, the networks together controlled 55 percent of the overall television viewing.
One was that his own daughter's television viewing had influenced him.
California has conducted several studies of the relationship between television viewing and reading skills.
It is intended for use by parents to manage their children's television viewing.
For most, 30 seconds into a dream rooted in years of television viewing, they were off the air.
Overall television viewing is actually up slightly from last summer.
But starting today, the service will begin to report national data, both on television viewing and product use.