Getting in line for the Port-a-Potties at every race start, Dimity talks to Dr. Patrick Wilson, PhD, RD, author of the newly released book The Athlete’s Gut: The Inside Science of Digestion, Nutrition and Stomach Distress.

Among other things, Patrick explains:

—Various common causes of cramps and diarrhea;

—The science behind your body burning fats vs. carbs;

—The only scientifically proven way to stop side stitches; and

—Why mindfulness can help your intestines calm down.

Interested in being a potential future Athlete’s Gut research participant? Follow Patrick on Twitter: @SportsRD_PhD

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AMR Trains #9: The Athlete’s Gut