Here's Why Some People Have More Bellybutton Lint Than Others, Smart News

The secret is on your stomach

Three places you must wash - Upworthy

24 Weird-But-Normal Pregnancy Symptoms and Their Causes

What Is Belly Button Lint?

How to remove the last bit of remaining fat from the belly - Quora

What Is Belly Button Fluff?

How to Lose Belly Fat After Age 50

What's that stuff in your bellybutton? Science has the answer.

Tummy Tuck - Adam J. Oppenheimer, MD

10 Things That Men Wear That Women Hate