argument105 [AWB小组]第十四次作业提纲

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105.The following appeared in a health newsletter.

"According to a recent study, people with many social ties report catching colds less often than do people with few social ties. Consequently, researchers conclude that having an active social life probably helps strengthen the immune system. The researchers note that catching a cold-one of a family of highly contagious viruses-gives the cold-sufferer temporary immunity to that virus in the future, but not to the many other related viruses. Merely being exposed to a new cold virus, however, is not enough for a person to catch a cold, since a strong immune system can successfully fight off some new viruses. Thus, in order to prevent catching a cold, people should strengthen their immune systems by becoming more active socially."

1调查的问题：人数；对象年龄，性别，体质；生活环境（环境好，天气好，如热带，出去晒太阳当然没有在家里吹空调容易感冒）；上报不全或有倾斜。因果关系不成立。

2 “temporary immunity”是多久？ “not give immunity to many other related rivues” 会带来其他坏处

3即使增强了免疫系统，也未必能防止感冒,因为不排除很多感冒细菌是免疫系统不能防范,除非作者指出a strong immune system can successfully fight off most of new viruses that may cause a cold

4 社交可能带来的坏处：与细菌更多接触，得病机率增大；传播细菌危害他人。更社交活动有关，若是要喝酒吸烟，会破坏免疫系统。