In Chiapas, one of the poorest states in Mexico, Coca-Cola is king. Residents in the state drink on average 821 litres a year, almost 16 litres a week, five times the national average. Reporter Guillermo Galdos travels to San Cristobal to meet one family who sell the beverage, but are experiencing first-hand the consequences of a sugary lifestyle. Blighted by ill-health, they rely on Coca-Cola for an income. Galdos investigates the region's growing diabetes crisis, where the deadly combination of Covid and sugar is sending people to early graves.