Excessive television viewing has been blamed for increasing rates of childhood obesity and for aggressive behavior, while its impact on schooling have been inconclusive, researchers said.

• 研究人员说，人们一直将儿童肥胖和过激行为的日益增多归咎为看电视太多，但是，关于看电视对儿童的学习的影响到底有多大，目前还没有定论。