欣玉在新学期开始得到了一部新手机,高兴得不得了,这下跟朋友、老师和家长的联系方便多了。但是她也牢记妈妈的话:不能影响学习,一旦发现上课时候用手机,就取消用手机的资格。有一次,欣玉的朋友艳霞告诉她,用手机还要注意保护,不然会影响健康。欣玉有些不理解,手机不就是打电话,发短信嘛,又没有放到嘴里吃,怎么影响健康呢?不过,听艳霞说完,欣玉也觉得很有道理,以后要注意呢。下面就是健康用手机的法则,你看看有没有道理呢? Shin-jyu got a new cell phone at the beginning of the new semester and was very happy. With her friends, teachers and parents, it was much more convenient. But she also remembers her mother's words: can not affect learning, once found the class time with a cell phone, to cancel the use of cell phone's qualifications. Once, Xin Yan's friend Yan Xia told her to use cell phones also pay attention to protection, otherwise it will affect the health. Some do not understand Xin Yu, the phone is not called, texting Well, did not put in his mouth to eat, how to affect health? However, Yan Yan finished, Yan also feel very justified Jindao, pay attention to it later. The following is the law of health with the phone, you see if there is any reason?