I missed this discovery in May by scientists at Israel’s Weizmann Institute. They identified that ROR-gamma-T cells trigger a chain reaction of four types of immune cells, which stop the body’s attacking cells (CD8 cells) from responding to food proteins.
https://wis-wander.weizmann.ac.il/life-sciences/food-friend-not-foe-%E2%80%93-new-study-explains-why