Tag: Fiber

What Does Fiber Do, And Do You Need More?

The health world is fixated on fiber, constantly telling us how important fiber is and how we should all be eating more of it. Back in the day, our cultural obsession with fiber was all about being “regular.” You had to load up on fiber to keep things moving, so to speak. Nothing was more important. So we started our days with bland, tooth-cracking breakfast cereal that tasted like tree bark and sparked no joy. But hey, it was loaded with fiber and therefore good for us, right? 

I’ve long been skeptical of that particular story, mostly because every major health agency that recommends higher fiber intake also says that we should get much of that fiber from whole grains. And you know how I feel about that. If whole grains aren’t essential (or even healthy, if you ask me), then how could the fiber they provide be essential? It doesn’t add up. 

Now, though, as we learn ever more about the emerging science of the microbiome, the fiber story is starting to shift. It’s become less about pushing “roughage” through our colons to create bulkier, more impressive bowel movements (although some people still promote this supposed benefit). Certain types of fiber, it turns out, are essentially food for the microbes living in our guts. 

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