A complication with belly button piercings is rejection, or when your body tries to remove the piercing from your skin. This is an immune response—your body sees the piercing as a foreign object and ...

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.

It's important not to ignore a belly button infection, which may be easily treated with a course of antibiotics or antifungal medication. Leaving an infection untreated can cause more serious ...