On average, Americans watch more than four hours of television per day. We're so sedentary, we don't even get up off the couch to switch the channels as we did in the old days.
Meanwhile, obesity rates are increasing.
When you sit watching TV, you burn fewer calories than pretty much any other activity, according to Dr. William Dietz from the Centers for Disease Control (CDC). Weight control is a matter of calories taken in versus calories burned. More calories taken in than used up results in weight gain.
As for the Kids
The American Academy of Pediatrics recommends a maximum of 2 hours per day of television/video time for children.
They go on to make specific recommendations including:
By the way, many of those recommendations are also appropriate for adults. Hide the remote!