When Tamara Duker Freuman learned about the low-FODMAP diet just over a decade ago, she started using it with her patients who were suffering from irritable bowel syndrome. In one review of studies published in 2020, for instance, researchers estimated that around 52 to 86 percent of patients with I.B.S. who followed the diet had significant improvements in symptoms like bloating, pain and diarrhea. But the diet — which temporarily eliminates foods that are high in certain types of carbohydrates known to cause I.B.S. Here’s how it works, and how to tell if it’s right for you.

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Persons: Tamara Duker Freuman, dietitian