Did you know that most of our body's immune system is in the gut? I didn't either, but it changes how I think about both my gut and my immune system. Let me share how. Research has established that our immune system is mostly in our gut, in the lining and walls of our intestines. (See the bottom of this blog for specific references.) When we eat foods that our body doesn’t recognize, such as ultra processed foods or foods with additives, there is a lot of wear and tear in o