健康生活:锻炼适度才能预防感冒

 　　Researchers say that regular exercise reduces the risk of getting a cold -- but only if it is not too vigorous, the Daily Mail reported.

　　据英国《每日邮报》报道，研究人员表示，日常锻炼若不是太剧烈，可预防感冒。

　　Brisk walks every day can reduce your chance of catching¹ a cold by up to 30 percent.

　　每天快步走可使感冒几率降低30%。

　　But prolonged strenuous² activity could make you between two and six times more likely to succumb³ to upper respiratory infections.

　　但运动时间太久、强度太大，上呼吸道感染概率则要扩大两到六倍。

　　Professor Mike Gleeson, an expert in biochemistry at Loughborough University, concluded from examining the last 10 years of research in this area that moderate exertion⁴ is best for the immune system.

　　来自拉夫堡大学的生化学专家迈克·格里森教授，基于其在该领域过去十年的研究得出：适度运动最有利于免疫系统发挥作用。

1 catching   

adj.易传染的，有魅力的，迷人的，接住

参考例句：

• There are those who think eczema is catching.有人就是认为湿疹会传染。
• Enthusiasm is very catching.热情非常富有感染力。

2 strenuous   

adj.奋发的，使劲的；紧张的；热烈的，狂热的

参考例句：

• He made strenuous efforts to improve his reading. 他奋发努力提高阅读能力。
• You may run yourself down in this strenuous week.你可能会在这紧张的一周透支掉自己。

3 succumb   

v.屈服，屈从；死

参考例句：

• They will never succumb to the enemies.他们决不向敌人屈服。
• Will business leaders succumb to these ideas?商业领袖们会被这些观点折服吗？

4 exertion   

n.尽力，努力

参考例句：

• We were sweating profusely from the exertion of moving the furniture.我们搬动家具大费气力，累得大汗淋漓。
• She was hot and breathless from the exertion of cycling uphill.由于用力骑车爬坡，她浑身发热。