When considering a tummy tuck, you may wonder what will happen to your belly button. We'll talk about the specifics.

But on TikTok, the belly button isn’t just a scar everyone has. It’s the starting point for the app’s next viral health trend: navel pulling, also known as navel oiling.

The belly button is the area on the stomach where a person’s umbilical cord was once attached. According to Healthline, navels can collect dirt and breed bacteria and should be cleaned once a week.

Belly buttons are full of lint, bacteria, and fungi. If they're infected, there might also be a cheese-like liquid inside.

Belly buttons are an anatomical wildcard. Whether you have an innie or an outie is mostly up to chance. Learn more about belly buttons and what you can do if you don’t like how yours looks.

Your belly button might seem like nothing more than a remnant from your time in the womb, but this small area can actually provide valuable clues about your digestive health and overall wellbeing ...