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VOA标准英语2011--Bulging Midriffs Signal Higher Health Ri

时间:2011-05-07 05:18:15

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Bulging1 Midriffs Signal Higher Health Risks

There is compelling new evidence that a little bit of belly2 fat can be extremely hazardous3 to your health if you've had a heart attack. The study's findings compare the increased risk of death to smoking a pack of cigarettes per day or having very high cholesterol4.
In one of the largest studies of its kind, researchers at Mayo Clinic in Rochester, Minnesota, have found that people with heart disease who have even a modest amount of belly fat have twice the risk of dying as those with fat deposits elsewhere on their body.
Researchers led by Francisco Lopez-Jimenez analyzed5 data collected in five studies on almost 16,000 heart attack survivors6 around the world.
Lopez-Jimenez says researchers wanted to try to predict how well these patients would do in the future, based on where their body fat was deposited.
"We found that people with fat distribution where the belly was bigger than the hip7 or where the belly was just too big - those people were about anything from 25 to almost 70 percent more likely to die compared to those with normal fat distribution."
While obesity8 has long been linked to cardiovascular disease, Lopez-Jimenez, who heads the Cardio- metabolic9 program at Mayo, says that was not the best predictor of long-term survival. Obesity is usually measured by calculating a person's body mass index, the amount of body fat relative to height and weight. But in the study, individuals with a higher BMI, who had more body fat in general, lived longer than those with a lower BMI.
Lopez-Jimenez says that the distribution of fat was a better prognostic indicator10.
Researchers don't know why having belly fat increases the risk of death compared to fat that is more evenly distributed or in other areas of the body, such as the legs and buttocks.
Lopez-Jimenez says it appears that abdominal11 fat is more metabolically12 active, causing elevated cholesterol and high blood pressure.
"And all those are factors that cause heart disease. So for somebody who already has heart disease, we believe that those factors will just worsen to the point that people don't do very well."
Fortunately, experts say belly fat is the easiest type of body fat to lose. Most people can shrink their "spare tires" with a low-calorie, high-fiber diet and a routine of moderate daily exercise.


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1 bulging daa6dc27701a595ab18024cbb7b30c25     
膨胀; 凸出(部); 打气; 折皱
参考例句:
  • Her pockets were bulging with presents. 她的口袋里装满了礼物。
  • Conscious of the bulging red folder, Nim told her,"Ask if it's important." 尼姆想到那个鼓鼓囊囊的红色文件夹便告诉她:“问问是不是重要的事。”
2 belly QyKzLi     
n.肚子,腹部;(像肚子一样)鼓起的部分,膛
参考例句:
  • The boss has a large belly.老板大腹便便。
  • His eyes are bigger than his belly.他眼馋肚饱。
3 hazardous Iddxz     
adj.(有)危险的,冒险的;碰运气的
参考例句:
  • These conditions are very hazardous for shipping.这些情况对航海非常不利。
  • Everybody said that it was a hazardous investment.大家都说那是一次危险的投资。
4 cholesterol qrzzV     
n.(U)胆固醇
参考例句:
  • There is cholesterol in the cell of body.人体细胞里有胆固醇。
  • They are determining the serum-protein and cholesterol levels.他们正在测定血清蛋白和胆固醇的浓度。
5 analyzed 483f1acae53789fbee273a644fdcda80     
v.分析( analyze的过去式和过去分词 );分解;解释;对…进行心理分析
参考例句:
  • The doctors analyzed the blood sample for anemia. 医生们分析了贫血的血样。 来自《简明英汉词典》
  • The young man did not analyze the process of his captivation and enrapturement, for love to him was a mystery and could not be analyzed. 这年轻人没有分析自己蛊惑著迷的过程,因为对他来说,爱是个不可分析的迷。 来自《简明英汉词典》
6 survivors 02ddbdca4c6dba0b46d9d823ed2b4b62     
幸存者,残存者,生还者( survivor的名词复数 )
参考例句:
  • The survivors were adrift in a lifeboat for six days. 幸存者在救生艇上漂流了六天。
  • survivors clinging to a raft 紧紧抓住救生筏的幸存者
7 hip 1dOxX     
n.臀部,髋;屋脊
参考例句:
  • The thigh bone is connected to the hip bone.股骨连着髋骨。
  • The new coats blouse gracefully above the hip line.新外套在臀围线上优美地打着褶皱。
8 obesity Dv1ya     
n.肥胖,肥大
参考例句:
  • One effect of overeating may be obesity.吃得过多能导致肥胖。
  • Sugar and fat can more easily lead to obesity than some other foods.糖和脂肪比其他食物更容易导致肥胖。
9 metabolic 2R4z1     
adj.新陈代谢的
参考例句:
  • Impressive metabolic alternations have been undergone during embryogenesis.在胚胎发生期间经历了深刻的代谢变化。
  • A number of intoxicants are associated with metabolic acidosis.许多毒性物质可引起代谢性酸中毒。
10 indicator i8NxM     
n.指标;指示物,指示者;指示器
参考例句:
  • Gold prices are often seen as an indicator of inflation.黃金价格常常被看作是通货膨胀的指标。
  • His left-hand indicator is flashing.他左手边的转向灯正在闪亮。
11 abdominal VIUya     
adj.腹(部)的,下腹的;n.腹肌
参考例句:
  • The abdominal aorta is normally smaller than the thoracic aorta.腹主动脉一般比胸主动脉小。
  • Abdominal tissues sometimes adhere after an operation.手术之后腹部有时会出现粘连。
12 metabolically 9fef396a369171356e6c3c9b21b59070     
代谢的(metabolic的副词形式)
参考例句:
  • Intact skin is a highly complex, metabolically active organ. 完整的皮肤是一个高度复杂、代谢灵敏的器官。 来自辞典例句

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