In one study, 60 volunteers swabbed their belly buttons. Researchers then analyzed the samples and found more than 2,300 kinds of bacteria. That's an average of 67 different kinds per belly button.

Before you start pull your belly button, here's what medical experts really think about this TikTok sensation and what ...

So instead, I'm going to hit you with some equality. We all have belly buttons, people. They are the great equalizer. I bet you've never thought about your own navel that much. I certainly hadn't ...

Starting in 2005, Steinhauser – then a chemist at the Vienna University of Technology – collected pieces of belly-button fluff from his navel and recorded their colour and weight. Over the ...