Fiber's structural integrity keeps plants strong—and its indigestibility keeps your digestive system healthy

If you're over the age of 10, the World Health Organization recommends that you consume at least 25 grams of fiber every day.
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Fiber’s structural integrity keeps plants strong – and its indigestibility keeps your digestive system healthy

Vegetables, fruits, beans, seeds and nuts are all fiber-rich foods. tbralnina/iStock via Getty Images Plus If you’re over the age of 10, the World Health Organization recommends that you consume at ...