Scientists have discovered a hidden fibrous sheath beneath the belly button that explains why navels stay concave for life.

Something we all possess but rarely give much thought to is belly buttons. That small indentation on your belly might not be impressive-looking, but it’s a devious area where sweat, dirt, and bacteria ...

An infected belly button piercing will be swollen and may even cause a fever — here's how to care for your new piercing to avoid infection.