[a习作temp] ARGUMENT145 [复制链接]

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发表于 2009-3-3 16:27:50 |只看该作者 |倒序浏览

TOPIC: ARGUMENT145 - A new study collected data that shows that people who snore are more likely to gain weight than are people who do not snore. It is well known that many people who snore also stop breathing frequently during the night for a few seconds, a condition called sleep apnea. The interruption of breathing wakes the person-often so briefly that the waking goes unnoticed-and can leave the person too tired during the day to exercise. Anyone who snores, therefore, should try to eat less than the average person and to exercise more.

In this argument, the author comes to the conclusion that anyone who snores should try to eat less than the average person and to exercise more. To substantiate this claim, the author cites that a study shows people who are snores are more likely to gain weight than the people who do not. Futuremore, the author point that this people are too tired during the day to exercise for the interruption of breathing wakes them. This argument might seem reasonable at first glance. On meticulous reflection, however, some logical fallacies make it unconvincing.

First of all, although the data of the new study shows that the people snore have the more frequency to gain weight than those who do not snore, we know nothing about the way the data was collected and how well it represented the public opinions about the factor causing fat. It is entirely possibly that the sample id too small to convince us the arguer's conclusion or the sample is too narrow to some certain people who tend to give the expert answer. And there still many other alternative reasons that would lead the result. For instance, most snored people who participate the survey are original fatter than average ones. Also, there are many other alternative reasons that may cause people getting fat such as bad habit irregular diet and so forth.
Lacking more information about study the author cannot draw any firm conclusions based on the study about the relationship between snoring and weight gain.

In addition, the author assumes that people who snore stop breathing frequently during their sleep for several seconds, which is called sleep apnea, and this interruption wakes the people, cause their tiring condition during the daytime and disable to exercise.
Obviously, the author use a wrong logical method to analyze. A correlation is one indication of a causal relationship, but in itself does not suffice to prove such relationship. The tired condition during the day might not account to the sleep apnea.
With out establishing clearly relationship, the author can not convince me the conclusion.

Finally, the author recommends that all the people who snores should to eat less than the average person and to a exercise more, which appears quite unreasonable. However, as we know not all the people who snore do not have enough exercise amounts, What's more, if those people's health condition is not well enough, more exercise and less food would lead them to an even terrible situation. Without ruling out these possibilities, the author must expressly limit the advice to those snores take more exercise and eat less.

In sum, the argument is not well supported.
To lend credibility to this advice the speaker should provide evidence that recently collect data reflect the general population. To better assess the argument it would be useful to know all the possible causes of snoring and sleep apnea.