A group of scientists at North Carolina State University is taking navel-gazing to another level. Jiri Hulcr and his colleagues at the Raleigh, N.C., school recently launched the Belly Button ...

Navel stones are an accumulation of sebum and keratin that can resemble a large blackhead in your belly button. A navel stone is a hard, stone-like object that forms inside your belly button (navel).

A new trend called navel oiling—putting essential oil in the belly button for health benefits like weight loss—has gained popularity on TikTok, but although it’s linked to an ancient practice, some ...

Sometimes people find a fuzzy little ball of fibers in their navel. Some refer to this as belly button lint, while others call it belly button fluff, navel lint, or navel fluff. In a 2012 study at ...