Without time to relax and have fun,kids can suffer stress just like adults,warn experts--who say as many as one in four youngsters have symptoms of burnout.

• 专家警告说，如果没有时间放松，没有娱乐，孩子会像大人一样感到过分的紧张，据说，每4个孩子中就有一个有过于疲劳的症状。