CODEINE COUGH SYRUP: MEXICAN STREETS TO US DOORSTEPS

From rough streets in Mexico to the doorsteps of Americans hungry for a buzz, codeine cough syrup is making its journey. Locals sell it by the gallon, often mixed with other ingredients to make it more potent. The demand in the US is massive, and runners are finding new ways to get it across the line. A few people use codeine cough syrup for