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 ...

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 buttons. 1. Why do I even ...

Add Yahoo as a preferred source to see more of our stories on Google. An 'innie' belly button Jessie Shaw via Unsplash I was a weird kid – I used to be very jealous of people who were left-handed, and ...

I was a weird kid – I used to be very jealous of people who were left-handed, and desperately wanted an outie belly button (I don’t know what was going on with me either). Like 90% of people, though, ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. As I woke, I rolled onto my back, not quite ready to get up for the day ...

(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 ...