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  3. Moderate drinking reduces stroke risk, study confirms. Similar to the way a d

Moderate drinking reduces stroke risk, study confirms. Similar to the way a d

游客2025-01-09  10
问题    Moderate drinking reduces stroke risk, study confirms. Similar to the way a drink or two a day protects against heart attacks, moderate alcohol consumption wards off strokes, a new study found.
   The study also found that the type of alcohol consumed -- beer, wine or liqour -- was unimportant. Any of them, or a combination, was protective, researchers reported in today’s Journal of the American Medical Association. "No study has shown benefit in recommending alcohol consumption to those who do not drink", cautioned the authors, led by Dr. Ralph L. Sacco of Columbia University College of Physicians and Surgeons in New York. But the new data support the guidelines of the National Stroke Association, which say moderate drinkers may protect themselves from strokes by continuing to consume alcohol, the authors said.
   The protective effect of moderate drinking against heart attacks is well established, but the data has been conflicting a bout alcohol and strokes, the authors said. The new study helps settle the question and is the first to find blacks and His panics benefit as well as whites, according to the authors. Further research is needed among other groups, such as Asian, whom past studies suggest may get no stroke protection from alcohol or may even be put at greater risk.
   Among groups where the protective effect exists, its mechanism appears to differ from the protective effect against heart attacks, which occurs through boosts in levels of so-called "good" cholesterol, the authors said. They speculated alcohol may protect against stroke by acting on some other blood trait, such as the tendency of blood platelets to clump, which is key in forming the blood trait, such as the tendency of blood platelets to clump, which is key in forming the blood dots that can cause strikes.
   The researchers studied 677 New York residents who lived in the northern part of Manhattan and had strokes between July 1,1993, and June, 1997. After taking into account differences in other factors that could affect stroke risk, such as high blood pressure, the researchers estimated that subjects who consumed up to two alcoholic drinks daily were only half as likely to have suffered dot-type strokes as nondrinkers. Clot-type strokes account for 80 percent of all strokes, a leading cause of US deaths and disability. Stroke risk increased with heavier drinking. At seven drinks per day, risk was almost triple that of moderate drinkers.
    An expert spokesman for the American Heart Association, Who was not involved in the study, said it was well-done and important information. But it shouldn’t be interpreted to mean, "I can have two drinks and therefore not worry about my high blood pressure or worry about my cholesterol," said Dr. Edgar J. Kenton, an associate professor of clinical neurology at Thomas Jefferson University Medical College in Philadelphia. Instead, he said, the study provides good reason to do further research and to add alcohol to the list of modifiable risk factors for stroke. [br] According to Dr. Sacco, ______.
选项 A、different wines work differently on drinkers at stroke risk
B、non-drinkers should also consume a moderate amount of alcohol
C、drinkers should keep to one kind of alcohol to ward off strokes
D、moderate alcohol consumption protects against strokes
答案 D
解析 该题问：Dr，Sacco的观点是什么?D项意为“适量饮酒能防治中风”。第一段提到，一项研究的结果证实：适量饮酒能减少患中风的危险。像每天喝一二杯酒可以防治心脏病一样，适量饮酒可以防治中风。从第二、第三句我们了解到，Sacco大夫是这项研究的负责人，另请参阅第二段最一句。A项意为“不同种类的酒对可能患中风的人起不同的作用”，根据第二段第一句，研究表明，喝什么样的酒没关系——都能起到防治中风的作用； B项意为“不喝酒的人也应该喝适量的酒”，在第二段第三句中Sacco大夫警告说：“还没有哪项研究证明让不喝酒的人喝酒会有什么好处”；C项意为“为了防治中风，饮酒的人应坚持喝一种酒”。
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