Ilan Greenberg is a freelance magazine writer based in Washington. CAMBRIDGE, Massachusetts — In late August, Avi Loeb, the world’s most renowned scientist hunting for extraterrestrials on earth, ...

If your belly button smells, it’s likely a sign of poor hygiene or an infection. The indented shape and skin folds can create a breeding ground for odor-causing sweat, dirt, fungi, and bacteria. 1.

Belly button pain can be from conditions ranging from indigestion to serious issues like appendicitis. It may feel sharp or dull, come and go, or be constant. Severe cases require immediate medical ...