Everything you need know about tonsil stones, odd growths that seem like pimples in your throat.

First, a simple explanation for the uninitiated: The Mayo Clinic explains that your tonsils are actually part of your immune system. They produce white blood cells and antibodies, aiding in the fight against infections. However, they also contain eerie-sounding cavities known as tonsillar crypts. Some people’s crypts are so deep that food or mucus can become trapped inside.

This tonsil stone pop is short, sweet, and to the point. No wonder it has more than 15 million views.