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Tea Drinkers Enjoy Possible Health Benefits, Study Suggests

时间:2022-09-06 01:49:20

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Tea Drinkers Enjoy Possible Health Benefits, Study Suggests

The world is full of tea drinkers. For many, they simply enjoy the taste. But new research suggests tea might help those who drink it live longer than those who do not.

Tea is known to contain helpful substances known to reduce inflammation. Past studies in China and Japan, where green tea is popular, have suggested several health benefits. Now, scientists say black tea may show similar benefits.

Scientists from the United States National Cancer Institute carried out the study. They examined years of data gathered about the tea drinking behavior of almost 500,000 adults in Britain for as many as 14 years. Black tea is the most common kind of tea in Britain.

The researchers adjusted for risks that individual may have related1 to health, living conditions, diet and lifestyle choices, as well as age, race and gender2.

The study found that high tea intake3 — two or more cups a day — was linked to a moderate4 benefit: a nine to 13 percent lower risk of death from any cause than non-tea drinkers.

The research was published in Annals of Internal5 Medicine. The scientists say the lowered risk of death held true for study subjects with heart disease6. However, researchers said there was no clear finding8 in connection with deaths from cancer. Researchers were not sure why. But, it is possible there were too few confirmed cancer deaths to measure, said Maki Inoue-Choi, who led the study.

All kinds of tea—green, black, oolong, and white—are produced from the Camellia sinensis plant using different methods.

Tea contains various elements, including polyphenols.

Experts at the U.S. National Institutes of Health say polyphenols are thought to be responsible for the health benefits that have traditionally been linked to tea, especially green tea.

Green tea is reported to improve mental ability, ease7 digestive problems and head pain, and help people with weight loss. Green tea has also been studied for possible protective9 effects against heart disease and cancer.

The study of British tea drinkers was based on observing people's behaviors and health. This kind of methodology cannot prove cause and effect.

"Observational studies like this always raise the question: Is there something else about tea drinkers that makes them healthier?" said Marion Nestle. She is a professor of food studies at New York University.

The study does not offer enough evidence to advise people to change their tea behaviors, said Inoue-Choi.

"If you drink one cup a day already, I think that is good," she said. "And please enjoy your cup of tea."

Words in This Story

inflammation - n. a bodily response to injury or disease in which heat, redness, and swelling10 are present

benefit - n. a good or helpful result or effect

adjust - v. to change (something) in a minor11 way to make it work better

gender - n. the state of being male or female12

diet - n. the food and drink that a person or animal usually takes

digestive - adj. relating to or functioning in the body's process of changing food into simpler forms that can be taken up and used

cup - n. a rounded container to drink from


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点击收听单词发音收听单词发音  

1 related vkGzSv     
adj.有关系的,有关联的,叙述的,讲述的
参考例句:
  • I am not related to him in any way.我和他无任何关系。
  • We spent days going through all related reference material.我们花了好多天功夫查阅所有有关的参考资料。
2 gender slSyD     
n.(生理上的)性,(名词、代词等的)性
参考例句:
  • French differs from English in having gender for all nouns.法语不同于英语,所有的名词都有性。
  • Women are sometimes denied opportunities solely because of their gender.妇女有时仅仅因为性别而无法获得种种机会。
3 intake 44cyQ     
n.吸入,纳入;进气口,入口
参考例句:
  • Reduce your salt intake.减少盐的摄入量。
  • There was a horrified intake of breath from every child.所有的孩子都害怕地倒抽了一口凉气。
4 moderate N69zs     
adj.适度的,稳健的,温和的,中等的;v.节制,使...稳定,使...缓和;n.稳健的人
参考例句:
  • You should moderate your language when children are present.在孩子面前,你说话应该有节制。
  • The wind is moderate today.今天的风很柔和。
5 internal x5vxK     
adj.内的,内部的;国内的,内政的
参考例句:
  • He is talking to Tom on the internal telephone.他正在内线电话上与汤姆交谈。
  • We do not intend to be drawn into the internal strife.我们不想卷入内乱之中。
6 disease etMxx     
n.疾病,弊端
参考例句:
  • The doctors are trying to stamp out the disease.医生正在尽力消灭这种疾病。
  • He fought against the disease for a long time.他同疾病做了长时间的斗争。
7 ease wruxN     
n. 安乐,安逸,悠闲; v. 使...安乐,使...安心,减轻,放松
参考例句:
  • His mind was at ease and he felt confident in the future. 他心情舒畅,对前途很有信心。
  • You should ease up on the child and stop scolding her. 你应该对那个孩子宽松些,不要再骂她了。
8 finding 5tAzVe     
n.发现,发现物;调查的结果
参考例句:
  • The finding makes some sense.该发现具有一定的意义。
  • That's an encouraging finding.这是一个鼓舞人心的发现。
9 protective qRWxE     
adj.防护的,保护的
参考例句:
  • A mother naturally feels protective towards her children.做母亲的天生要保护自己的孩子。
  • We feel safe with a protective device in the house.我们因为家里有了防护装置而感到安全。
10 swelling OUzzd     
n.肿胀
参考例句:
  • Use ice to reduce the swelling. 用冰敷消肿。
  • There is a marked swelling of the lymph nodes. 淋巴结处有明显的肿块。
11 minor e7fzR     
adj.较小(少)的,较次要的;n.辅修学科;vi.辅修
参考例句:
  • The young actor was given a minor part in the new play.年轻的男演员在这出新戏里被分派担任一个小角色。
  • I gave him a minor share of my wealth.我把小部分财产给了他。
12 female 3kSxf     
adj.雌的,女(性)的;n.雌性的动物,女子
参考例句:
  • We only employ female workers.我们只雇用女工。
  • The animal in the picture was a female elephant.照片上的动物是头母象。

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