Patrick Wilson

A high-fat diet may help reduce stomach distress for some athletes. Here’s how it works and when to consider trying it.

Plus, science-backed ways to avoid dreaded stomach upset on the run.

Loads of factors within and outside the body contribute to nausea during ultramarathons, but there are some ways to mitigate it.

Your DNA has a say in your caffeine buzz, but it’s still not clear how genes affect gut sensitivity to caffeine.

Plus how to know whether you're getting enough—or too much—sodium?

Reflux, regurgitation, and heartburn are all signs something's off in your gut.