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60秒科学:可乐涨价 帮你减肥

时间:2010-10-18 06:45来源:互联网 提供网友:princetngirl   字体: [ ]
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今年纽约州提交的财政预算案中有一项引发热议:向汽水等高热量饮料征收“肥胖税”。若预算案得以通过,含糖饮料将面临每盎司1美分的额外征税。这将给州政府带来每年10亿美元左右的财政收入,同时敦促人们减少汽水消费。然而涨价是否真能使消费者望而却步,转而支持健康饮食呢?

Here in New York, the pending1 state budget includes one provision that’s probably making more news than the rest of the budget’s contents combined: a tax on nondiet soda2 and other high-calorie drinks. If the budget is passed by the legislature, sugary drinks would be slapped with an extra penny-per-ounce excise3 tax. The idea is to both raise money for the state—an estimated billion dollars a year—and motivate people to consume less soda. But do higher costs really get people to eat more healthfully?

A study published in the March 8th issue of the journal Archives of Internal Medicine [Kiyah Duffey et al, says yes. Researchers tracked the eating habits and health of over 5,000 young adults for two decades. They found that a 10 percent increase in the price of soda was associated with a 7 percent decrease in soda calories consumed. Higher prices were also associated with lower total calorie intake4, lower body weight and improved insulin resistance.

The higher tax is, of course, a political decision, not a scientific one. But the science does support the idea that such sin taxes accomplish their healthful intent.
 


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1 pending uMFxw     
prep.直到,等待…期间;adj.待定的;迫近的
参考例句:
  • The lawsuit is still pending in the state court.这案子仍在州法庭等待定夺。
  • He knew my examination was pending.他知道我就要考试了。
2 soda cr3ye     
n.苏打水;汽水
参考例句:
  • She doesn't enjoy drinking chocolate soda.她不喜欢喝巧克力汽水。
  • I will freshen your drink with more soda and ice cubes.我给你的饮料重加一些苏打水和冰块。
3 excise an4xU     
n.(国产)货物税;vt.切除,删去
参考例句:
  • I'll excise the patient's burnt areas.我去切除病人烧坏的部分。
  • Jordan's free trade zone free of import duty,excise tax and all other taxes.约旦的自由贸易区免收进口税、国内货物税及其它一切税收。
4 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。
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