Anyone who’s ever gone more than seven hours between meals is undoubtably familiar with hunger pangs—that feeling that your stomach is somehow digesting itself and this is it, last stop, the end of the line for you. Luckily our friends at AsapSCIENCE are here to explain what really happens to our bodies when we skip a meal. And because we’re all for being better informed, we’re happy to hear them out. Besides, who doesn’t want to know the scientific definition of “hangry”?