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[originaltext] Drinking a few cups of coffee a day may help people avoid clo
[originaltext] Drinking a few cups of coffee a day may help people avoid clo
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2023-08-06
67
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问题
Drinking a few cups of coffee a day may help people avoid clogged arteries—a known risk factor for heart disease—Korean researchers believe.
They studied more than 25,000 male and female employees who underwent routine health checks.
Employees who drank three to five cups a day were less likely to have early signs of heart disease on their medical scans.
The findings reopen the debate about whether coffee is good for the heart.
There is a lot of confusion when it comes to the effect of coffee on heart health.
Some studies have linked consumption to heart risk factors, such as raised cholesterol or blood pressure, while others suggest the beverage may offer some heart protection.
But there is no conclusive evidence either way, and the latest research published in the journal Heart only adds to the discussion.
In the study. the researchers used medical scans to assess heart health. Specifically. they were looking for any disease of the arteries supplying the heart—the coronary arteries.
In coronary heart disease, the coronary arteries become clogged by the gradual build-up of fatty material within their walls.
The scan the researchers used looks for tiny deposits of calcium in the walls of the coronary arteries to provide an early clue that this disease process may be occurring.
None of the employees included in the Korean study had outward signs of heart disease, but more than one in ten of them were found to have visible calcium deposits on their scans.
The researchers then compared the scan results with the employees’ self-reported daily coffee consumption, while taking into account other potential heart risk factors such as smoking and family history of heart problems.
People who drank a few cups of coffee a day were less likely to have calcium deposits in their coronary arteries than people who drank more than this or no coffee at all.
The study authors say more research is needed to confirm and explain the link. Coffee contains the stimulant caffeine, as well as numerous other compounds, but it’s not clear if these might cause good or harm to the body.
Questions 23 to 25 are based on the recording you have just heard.
23.Which of the following is in accord with Korean researchers’ belief?
24.What were the researchers specifically looking for when assessing heart health?
25.What other potential heart risk factors have been taken into account in the study?
选项
A、Regular coffee drinkers have cleaner arteries.
B、Regular coffee drinkers are healthier.
C、Regular coffee drinking may trigger off heart attacks.
D、Regular coffee drinking may be bad for health.
答案
A
解析
讲座开头提到,韩国的研究人员相信,每天喝几杯咖啡有助于预防动脉堵塞——大家熟知的一种引发心脏病的风险因素。由此可知,经常喝咖啡的人的动脉更干净畅通,因此答案为A)。
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