Medicine: Diet with Fiber

Let's hear it for bran!

"Man is what he eats," says an old German proverb that has proved to be prophetic. Until about 1900, man was what he could get to eat, whether in Boston or Bangkok, and his food was nearly all prepared at or near his eating place. Then came the explosion of the food-processing industry, and humanity came to be distinguished not only by what it ate but by some new diseases related to foods. The most conspicuous dietary change in developed countries over the past 75 years has been an alpine increase in the consumption of hard...

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