Many lifestyles are bad for our health now,and many persons are selling many bad products for our health,for example"computer,TV,and so on".We can't change the products,but we change our lifestyle and become healthy.Most children don't like to do eye exercises,but I think we must to do that ,it's good for our eye.And we can do more that we can do the healthy lifestyle.
So changes for healthy lifestyle,it's good for yourself!