MINNEAPOLIS — Stephen Colbert is away from late-night TV following emergency surgery last week — the comedian's appendix burst. That made us wonder: What does the appendix do for our body? And why are ...

Many Americans grew up with the idea their appendix is an unnecessary organ, made obsolete by evolution. But in the last 20 years or so, scientists have come to believe the appendix serves a purpose, ...

This small organ can cause big problems when inflammation sets in, potentially leading to life-threatening complications if left untreated. That nagging pain in your abdomen might be more than just a ...