Pediatrics. 2011 Jul;128(1):201-8. doi: 10.1542/peds.2011-1066. Epub 2011 Jun 27.
Obesity has become a worldwide public health problem. Considerable research has shown that the media contribute to the development of child and adolescent obesity, although the exact mechanism remains unclear. Screen time may displace more active pursuits, advertising of junk food and fast food increases children's requests for those particular foods and products, snacking increases while watching TV or movies, and late-night screen time may interfere with getting adequate amounts of sleep, which is a known risk factor for obesity. Sufficient evidence exists to warrant a ban on junk-food or fast-food advertising in children's TV programming. Pediatricians need to ask 2 questions about media use at every well-child or well-adolescent visit: (1) How much screen time is being spent per day? and (2) Is there a TV set or Internet connection in the child's bedroom?
肥胖已成为全球性的公共卫生问题。大量研究表明，媒体对儿童和青少年肥胖的发展有一定影响，尽管确切机制尚不清楚。屏幕时间可能会取代更积极的活动，垃圾食品和快餐的广告增加了儿童对这些特定食品和产品的需求，边吃零食边看电视或电影的情况增多，而深夜的屏幕时间可能会干扰充足的睡眠，充足的睡眠是肥胖的已知风险因素。有足够的证据表明，应该禁止在儿童电视节目中播放垃圾食品或快餐广告。儿科医生需要在每次儿童或青少年就诊时询问关于媒体使用的两个问题：（1）每天花多少时间在屏幕上？（2）孩子的卧室里有没有电视或互联网连接？
