What is "pozol"

Pozol (from the nahuatl "pozolli") is the name of both fermented corn dough and the drink made from it, which has its origins in Pre-Columbian Mexico. Other ingredients besides corn dough and water, such as cocoa, may be added to it. The drink is consumed in the south of Mexico in the states of Chiapas and Tabasco. It is a thirst-quencher which has also been used to fight diseases. It has also aided indigenous peoples of the Americas as sustenance on long trips across the jungles.