The population's extensive use of computer games, tablet computers, TV, smart phones and laptops has been linked to obesity and an increased risk of cardiovascular disease and Type 2 diabetes.
In the Archives Of Disease In Childhood, Dr Sigman suggests such extensive use could also lead to attention problems and other psychological difficulties. The amount of time spent in front of a screen could also adversely affect children's social relationships
http://adc.bmj.com/content/early/2012/09/04/archdischild-2012-302196.extract