An outie belly button is mainly a cosmetic issue and doesn't usually need treatment. Umbilical hernias are a common cause of outie belly buttons and may require surgery if symptomatic. There's no way ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

Like 90% of people, though, I very much have an “innie”. I’d always known that belly buttons in general were a kind of “scar” caused by the removal of the umbilical cord; some people thought that how ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (The Conversation) – Everyone has one, but ...

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 ...

(The Conversation) – Everyone has one, but you might not know much about it. Here biologist Sarah Leupen, who teaches human and comparative animal physiology, explains the ins and outs of belly ...