Dairy is full of both casein and whey. Those are the two main proteins in dairy, and a lot of adults don’t tolerate either casein or either whey. Casein is a more common problem in terms of the protein profile, and cow dairy has higher casein amounts than like, goat… Continue Reading Dairy Can Cause Sinus Problems, Joint Pain, Fatigue & Migraines Says Dr. Angela Agrios, ND