But if the cyst becomes infected, urine can begin to drain into the belly button, causing discharge and a foul odor. A navel stone is a rare, stone-like mass in the belly button made of sebum (oil ...

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 ...

Belly-button Brie, anyone? Now, for the most part, the microbes in your navel are harmless. In fact, recent studies suggest that bacteria on your body may strengthen your skin's defense system ...