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SSS 2011-07-12

时间:2011-08-09 03:49来源:互联网 提供网友:gmeng   字体: [ ]
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    (单词翻译:双击或拖选)

 This is Scientific American’s 60-Second Science. I’m Steve Mirsky. Got a minute?

 
Obesity1 is associated with a host of health problems. But a new study finds that obese2 people may actually have an advantage in a specific medical situation: they’re less likely to die after surgery from certain respiratory complications than are their non-obese counterparts. The finding was published online by the Journal of Intensive Care Medicine. 
 
Obese surgical3 patients get slightly fewer cases of the conditions known as respiratory insufficiency and adult respiratory distress4 syndrome5. And their risk of dying in the hospital from these breathing difficulties was less than a third that of the non-obese patients who developed the same respiratory challenges. 
 
The researchers have various ideas about why. People carrying more weight could have more energy and nutritional6 stores to draw upon. Also, fatty tissue could be soaking up some of the inflammation compounds that exacerbate7 the breathing issues. Or it may be more simple: doctors and nurses may expect their fatter patients to have a tougher time, so they give them more attention. 
 
Further study could reveal why the bigger patients have the smaller risk—which might lead to strategies to lower the risk for those lower in weight.
 
Thanks for the minute. For Scientific American’s 60-Second Science, I’m Steve Mirsky.

点击收听单词发音收听单词发音  

1 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。
2 obese uvIya     
adj.过度肥胖的,肥大的
参考例句:
  • The old man is really obese,it can't be healthy.那位老人确实过于肥胖了,不能算是健康。
  • Being obese and lazy is dangerous to health.又胖又懒危害健康。
3 surgical 0hXzV3     
adj.外科的,外科医生的,手术上的
参考例句:
  • He performs the surgical operations at the Red Cross Hospital.他在红十字会医院做外科手术。
  • All surgical instruments must be sterilised before use.所有的外科手术器械在使用之前,必须消毒。
4 distress 3llzX     
n.苦恼,痛苦,不舒适;不幸;vt.使悲痛
参考例句:
  • Nothing could alleviate his distress.什么都不能减轻他的痛苦。
  • Please don't distress yourself.请你不要忧愁了。
5 syndrome uqBwu     
n.综合病症;并存特性
参考例句:
  • The Institute says that an unidentified virus is to blame for the syndrome. 该研究所表示,引起这种综合症的是一种尚未确认的病毒。
  • Results indicated that 11 fetuses had Down syndrome. 结果表明有11个胎儿患有唐氏综合征。
6 nutritional 4HRxN     
adj.营养的,滋养的
参考例句:
  • A diet lacking in nutritional value will not keep a person healthy.缺乏营养价值的饮食不能维持人的健康。
  • The labels on food products give a lot of information about their nutritional content.食品上的标签提供很多关于营养成分的信息。
7 exacerbate iiAzU     
v.恶化,增剧,激怒,使加剧
参考例句:
  • WMO says a warming climate can exacerbate air pollution.世界气象组织说,气候变暖可能会加剧空气污染。
  • In fact efforts will merely exacerbate the current problem.实际上努力只会加剧当前的问题。
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