Caffeine

Your weekly guided tour of the best new research and articles on running from around the web.

Your weekly guided tour of the best new research and articles on running from around the web.

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Yes, caffeine can give you wings. But there are a few important things you need to know first before pounding the espressos.

This primer on a runner's favorite energizing compound breaks down exactly what caffeine is, common sources and some effects these sources have on the body.

The performance benefits of the world’s favorite chemical could be washed out if it causes trouble in your gut.

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

It’s bad enough sweating it out in scorching heat. Then comes stomach pain or irritated bowels.

New studies show the effects of mouth-sensing may trigger neurological responses that can help improve performance, keep you cool or avoid cramps.

Caffeine is everywhere in sports nutrition products. How much does it help?

Jason Devaney writes about the evolution of coffee in his life.

Perform better by taking stuff that makes running feel easier.