Net,computer and health of kids

Now a days net&computer is the most powerful media which has really made the world a global village for all who are a little educated and know about how to use net&computer and everything has become so easy and reachable because of these things you can find anything from anywhere you want in less time on line while sitting at home. Everyone especially children always look busy with this modern invention it is a useful easy source of knowledge,information and education no doubt but some limitations should always be kept in mind while directing children to this new media. There should be always balance in everything so children should not be sit and  busy in net&computer they should be prepared to do other physical activities too in open environment to keep their health and personality balanced otherwise they will lose their eyesight, they will harm their stomach, they will always feel headache and laziness which will badly effect their overall physical health and future life as well.