Although the navel has no biological function in adults, neglecting its cleanliness can lead to infections. You may have often noticed belly button discharge, sometimes even with a slight smell.

When your belly button is filled with gunk, Kopelman says there is a risk of bacterial or fungal overgrowth. For example, one infection is omphalitis, which is an inflammation of the umbilical ...

Medically reviewed by Leah Ansell, MDIf your belly button is leaking fluid, you may have a bacterial, fungal, or yeast ...

Following is a transcript of the video. Narrator: Near the turn of this century, scientist Georg Steinhauser had a problem. He was fascinated by the question: Why do some belly buttons collect ...

Pain behind the belly button, or periumbilical pain ... Peptic ulcers can be caused by a variety of things, such as infection with Helicobacter pylori bacteria or long-term use of drugs like ...

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Dull or burning pain between your belly button and your breastbone is common ... Ulcers are most often caused by either a bacterial infection or by taking nonsteroidal anti-inflammatory drugs ...