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 ...

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Your belly button might seem like nothing more than a remnant from your time in the womb, but this small area can actually provide valuable clues about your digestive health and overall wellbeing.

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.