The Nuance

This Is Your Gut on Sugar

Researchers are finally uncovering the exact ways that sugar disrupts the GI tract

Markham Heid
Elemental
Published in
4 min readAug 18, 2021

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Photo: Sharon McCutcheon / Unsplash

In 1776, at the start of the Revolutionary War, the average person consumed about four pounds of sugar each year. Today, per capita sugar intake in the U.S. exceeds 120 pounds.

Roughly 75% of all foods and beverages in this country contain added sugar. According to the American Heart Association, the average adult swallows the equivalent of six bowling balls of the stuff each year. Meanwhile, the average child downs enough added sugar to fill a bathtub.

Researchers have long suspected that sugar — in particular the added sugar that doesn’t occur naturally in whole fruits or vegetables — is a major contributor to this country’s exceedingly high rates of obesity, type 2 diabetes, and other metabolic conditions.

More recently, they’ve speculated that sugar may also contribute to the development of inflammatory bowel disease, gut-related autoimmune disorders, and food allergies or sensitivities — all of which are on the rise. But experts have struggled to determine just how sugar causes or contributes to these health problems.

That’s changing. Recent work has revealed some of the ways that sugar disrupts, imbalances, and…

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Markham Heid
Elemental

I’m a frequent contributor at TIME, the New York Times, and other media orgs. I write mostly about health and science. I like long walks and the Grateful Dead.