This was a very informative article as I have an autoimmune disease. I have had it for 19 years. It is getting better over the years from me changing my eating habits. However, I have never been told by my neurologist or primary Dr. anything such as is in this excellent information Dr. Kim has provided. I gave up pork 19 years ago because it gave me extreme headaches, and they said it caused my polymyositis because I was producing too many enzymes. I gave up beef when watching an anti-meat documentary on how cows were killed. I gave up chicken when fasting and realizing I wasn't in pain, after having been for 17 years, from not eating chicken. I only eat fish now hoping to alleviate that also. I have started juicing, smoothying and eating more vegetables and fruits. From reading this article it looks like I need to eat less fruit and more vegetables. I have incorporated 5 Super Greens, Vegetable based protein for days when I don't juice. My health is getting better each year, but this article will help me to heal even faster. Thanks much for your clear and methodical way of explaining the digestive system and meat based protein and its affect on the body and how to prevent and heal autoimmune disease.