“Me pouring oil in my belly button every night because I refuse to be bloated in 2025,” a TikTok user posted last month, in a clip with 4.3 million views. Yes, you read that right. The latest health ...

Earwax, boogers, toenail fungus — the body can be pretty gross sometimes. Don’t forget to add “belly-button gunk” to that list. And when you see something in there, you probably want to get it out.

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.