I think of it this way. The immune system is like an army, ready to fight off foreign invaders. If you were a king, would you want a huge standing army at all times, or the ability to draft soldiers as needed? Having a huge standing army is not only a waste of resources if there isn’t anything to fight, but your soldiers might get bored and invent things to fight or just stir up trouble.

So my guess is you’d be prone to inflammation and develop food sensitivities, but it’s a total guess. If they were the case though, chronic inflammation is really bad long term.