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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.
WORDS: 422 TIME: 0:30:00 DATE: 2006-2-16
(this composition has been revised one time)
提纲:
1 snore与gain weight 没有必然联系,调查对象不能代表overall population
2 没有证据表明是sleep snore 导致增肥,可能是other trait
3 即使是,不代表所有snorer should eat less and exercise more可能他们本来就比正常人吃的少运动的多,besides, 如果是sleep apnea导致fatigue,再让他们去锻炼岂不更劳累?
Before accepting the author's recommendation that people who snore should attempt to eat less and to exercise more, I find the argument is not sufficiently supported by the evidence given. The author seems to unduly rely on the dubious and implicit assumptions and draw a conclusion which is fundamentally groundless.
To begin with, the mere study that shows people who snore are more likely to gain weight than normal people lends little credible support to the argument. Primarily, the sample of the survey might not be representative of the overall population who snore. Perhaps it is just limited to some workers who engage in the heavy job, or the aged people. Or perhaps it is the unorderly diet habit and consuming of foods with high oil that lead them become fatter. Thus, without considering and ruling such scenarios, the author's assumption that snoring is responsible for gaining weight is completely unconvincing.
In addition, the author fails to inform us what fractions of people who snore suffer from the sleep apnea spontaneously. So any conclusion that people gaining weight is probably attributable to the sleep apnea is gratuitous. It is entirely possible that most of people who snore have not suffered from sleep apnea, for that matter, there is a possibility that people diagnosed as sleep apnea patients are not those who gain weight. Otherwise, perhaps it is some other events that caused the weight increasing, for example, the genetic heritance or medical conditions. Absent for those traits, the author cannot persuade me that it is the sleep apnea that result in the adding weight.
Finally, the author's assumption that all the snorers should eat less and exercise more is open to doubt. Firstly, we are not informed whether the snorers have eat too much, it is highly possible that they eat much less than the normal person. Besides, even assuming that the sleep apnea made those people too tired during the day to exercise, we may suspect that: is it feasible for them to do more exercise during the day-time? Of course not, perhaps they will feel more fatigue after finishing the exercise and perhaps stand more chance of risking the sleep disease or other disease such as chronic insomnia. Furthermore, the author hastily generalized that all snorers should exercise more, however, it is totally possible that they have already done a lots of exercises or for that matter perhaps their health conditions do not allow them to do some kinds of extensive exercise.
To sum up, the argument is problematic in several respects as discussed above. It is perfunctory to draw the assumption that sleep apnea is responsible for the weight gaining. To form a stronger argument, the author should provide more detailed evidence about the functions of eating less and exercising more to the losing weight by the snorers to improve the credibility of his reasoning. |
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