Cheese It all goes back to when we were tiny babies. “Humans are programmed to have an opioid (opiate-like) response to a protein found in milk (casein) so that infants will continue their desire to consume adequate amounts of their mother’s milk,” explains Julieanna Hever, MS, RD, CPT, a plant-based dietitian and author of The Vegiterranean Diet and The Complete Idiot’s Guide to Plant-Based Nutrition.
