许多青少年喜欢玩电脑,迷恋于网上世界。往往一上机就呆坐五六个小时或七八个小时,甚至长达十几个小时。这样做对健康非常有害。下面列举若干实例加以叙述,愿人们特别是广大青少年引以为戒。 引发颈椎病 27岁的林女士是某单位统计员,她白天上班操作电子计算机,下班回家上网聊天,除了吃饭睡觉外,一天到晚呆坐在电脑前。日久天长,逐渐出现颈项僵 Many teens like to play computers, infatuated with the online world. Often on the machine to sit five or six hours or seven or eight hours, or even up to more than a dozen hours. This is very harmful to health. Here are some examples to be described, people are especially young people take warning. Cervical spondylosis 27-year-old Ms. Lin is a unit statistician, she operates electronic computers during the day to work, go home from work and chat, in addition to eating and sleeping, sitting in front of the computer all day long. Over time, gradually neck stiff neck