Screen time

http://www.nytimes.com/2011/10/25/us/screen-time-higher-than-ever-for-children-study-finds.html

http://www.huffingtonpost.co.uk/2012/05/21/parenting-tv-time-bad-health-children_n_1533244.html

http://www.nlm.nih.gov/medlineplus/news/fullstory_125815.html

http://learningenglish.voanews.com/content/how-much-screen-time-is-too-much-for-children-126486393/114525.html

http://www.vancouversun.com/health/much+screen+time+little+playtime+Canadian+kids+report+card+finds/6694913/story.html