科学60秒:卡路里神马的都是浮云
In January 2009 King County, Washington imposed _____1_____ menu labeling on all restaurant chains in the region, which includes Seattle and its surrounds. Restaurants were asked to _____2_____ nutrition information, including a calorie count, about every item on the menu.
Then, over the next year, researchers _____3_____ with local public health officials monitored food purchases at the Taco Time chain of restaurants. And they found that nothing changed. The total number of sales and the average calories per order were the same, regardless of whether the restaurant labeled its menu. The study appears in the American Journal of Preventive Medicine.
Now, it could be that Taco Time customers were already wise to the relative nutritiousness of their meals, because the restaurant was highlighting its healthier options with a little logo before the law _____4_____.
So maybe all we need is a happy, "healthy icon" to keep us from overdoing it. Because pointing out that a large order of cheddar fries has 700 calories was not _____5_____.
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