When it comes to body parts, the belly button doesn’t usually get much attention. Yet this often-overlooked little spot is a treasure trove of interesting details. Whether you've got an innie or an ...

As people grow and get older, they may add fat tissue to their abdomens. That makes the belly button appear bigger or deeper. It can even change its shape. That’s why an outie belly button – where ...

The belly button, it turns out, is one of the least-studied parts of the human body. But one of its great mysteries may now have been solved – why most people have an innie, or concave belly button.

That little dent in the middle of your stomach isn’t just a quirky reminder of your time in the womb, it’s potentially one of the most bacteria-packed spots on your entire body. Your belly button is ...