It comes down to timing, effort, and what kind of fuel you prefer.

I run super early in the morning and only slug a cup of caffeinated coffee before my run. No food. Is that bad for my stomach? Caffeine is a hot topic in the world of sports nutrition, and there has ...

If you have muscle soreness during or after a run, this is probably just abdominal fatigue from thoroughly exercising your core. It's fairly common to experience muscle soreness or stiffness, ...