If You Really Want to Optimize Your Diet, Focus on Fiber

Fiber isn’t sexy, but it’s the key to health

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It’s a puzzle that doctors have long struggled to solve: Inflammatory bowel disease, a gut condition that was once vanishingly rare, now affects roughly three million Americans. Between 1999 and 2015 alone, rates of inflammatory bowel disease (IBD) surged by 44% in the U.S., according to the…