Junk food should be banned in schools.

Many children have healthy problems in western. Such as overweight, abnormal movement problems, tooth problems. So I think we should ban the junk food in schools. Junk food have much fat, a lot of salt and less fiber but they are really delicious. Meanwhile, children don't know they have bad nutrition for them. Moreover, they can buy it form vending machines by themselves. It's easy to get the junk food and make children to become obesity kids. In England, they banned a junk good in school meals. It's an article in New york times online. Many country in western ought to promote the issue to reduce risk of early death in pupils. Some children had to get an operation for a heart surgery. It's a bad news! They are too young. So we should not support the junk food to be sold in school or nearby.