Watching Tv and Web harms kids

This is a topic which is doing the rounds in each and every part of the world that watching television and sitting in the net is causing a lot f health effects for the human beings and especially for the kids in the young age itself who spend lot of time watching these things which goes on in tv witout any physical work being done so this causes diseases like obesity and other behavioral changes.Another issue is that kids are spending time sitting on a couch watching TV or playing computer games when they could be running around outside.So this a problem faced by the peoplw all over the world now.