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Costlier Cola Cuts Caloric Consumption

Here in New York, the pending state budget includes one provision that’s probably making more news than the rest of the budget’s contents combined: a tax on nondiet soda and other high-calorie drinks. If the budget is passed by the legislature, sugary drinks would be slapped with an extra penny-per-ounce excise 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?

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?

A study published in the March 8th issue of the journal Archives of Internal Medicine [Kiyah Duffey et al, O] 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 intake, lower body weight and improved insulin resistance.

3月8日《内科医学档案》发布的一项调查（作者凯亚•达菲等，O）给出了肯定的答案。研究人员就5000余年轻人10年间的饮食习惯及健康状况进行了跟踪调查。结果发现当汽水价格上涨10%，人们从汽水中摄取的卡路里就减少7%。这一举措同样导致人们卡路里摄取量普遍下降，体重减轻，胰岛素耐受性得到改善。

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.

当然，增税是一项政治决策，而非科学举措。但科学家无疑支持这类为了人类健康而征收的“罪过税”。

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