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简介：Food products need at least 3 grams of fiber to be labeled as a good source of fiber.

参与方式：全文听写
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Your Health(节目名)
Amy Standen
KQED
John Swartzberg
University of California Berkeley
British Navy
citrus
scurvy
James Lind
limey
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Today in Your Health, we plunge into energy drinks - after we take a look at fiber, which is in almost every aisle of the grocery store. Food manufacturers are putting fiber into foods where you would not expect to find it, hoping to make their products look more healthful. Which raises the question: Are they actually more healthful? Amy Standen of member station KQED went to find out. I'm standing here at the grocery store, and I'm facing this wall of really sugary kid cereals. And a lot of them have this label on it, it says good source of fiber - which, if you think about it, may say more about us, the shoppers, than it does about what's in this box. We're looking for elements within things, almost a mystical kind of thinking. John Swartzberg is a professor of public health at the University of California Berkeley. And he believes that mankind's love affair with food additives - for example, fiber - can be traced back to a single moment in history: British Navy, 1747. Well, they realized that when the sailors were eating citrus fruits, they didn't get this terrible disease called scurvy. You may have heard this story. A Scottish surgeon named James Lind started giving sailors limes, found that scurvy virtually disappeared. That's how the English sailors got the name limeys. This launched the idea that specific, isolated ingredients in foods could prevent, sometimes even cure, diseases. And often, they could. These things led us to think that, well, we just have to find these magic bullets within foods that we replace, and we'll be much better.