According to the latest research report released

进入查看：2022-2023学年学英语报八年级第27期答案汇总

以下内容仅作展示，图片上方文字进入查看。

Although the link could be the result of the making the infection more likely, earlier research found that monkeys injected with the virus went on to gain weight. In other studies, at least 30 per cent of obese people were found to be infected but just 11 per cent of those with a healthy weight had the virus. Dr Wilmore Webley, of the University of Massachusetts, conducted the study into the patients. He says a vaccine is already used by the US Army – evidence a vaccine for the obesity virus could be developed. 

However, not everyone is convinced. Obesity expert Professor Nick Finer, of University College London, told New Scientist magazine that more studies were needed to prove a link between the virus and weight gain. “No matter how many association studies are reported, they do not prove what really causes the obesity,” he said.  Feifei, an 11-year-old boy from Xuzhou, Jiangsu Province, suffered from a sudden serious eye disease which has almost led to blindness. Itwas caused by excessive(过度的) eye tiredness during the winter vacation, during which he played computer games for a continuous 10 days and nights.

Many youngsters in China nowadays are increasingly crazy about computer games and other electronic products, and can’t help themselves. This is followed by a series of health problems, with the most typical case—nearsightedness.

According to the latest research report released by the World Health Organization (WHO), the nearsightedness rate among Chinese youngsters ranks first in the world—70 percent of high school and college students. The rate is nearly 40 percent in primary school students, while it is only 10 percent for their peers in the United States.