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).

As an exercise in scientific navel-gazing, Georg Steinhauser’s experiment takes some beating. Starting in 2005, Steinhauser – then a chemist at the Vienna University of Technology – collected pieces ...

Belly button or naval piercings can take longer to heal. Knowing what to expect can help you avoid complications. Piercing is one of the oldest and most practiced forms of body modification. This ...