Celiac Disease Support Group
Celiac disease is an auto-immune disorder of the digestive system that occurs in genetically-predisposed individuals. It is characterised by damage or flattening to all or part of the villi lining the small intestine, which interferes with the absorption of nutrients. This damage is caused by eating anything with gluten (gliadin), a protein found in wheat, rye, and barley...
CaptAmerica
Also, stop eating those processed GF items. They use xanthan gum and another thing to make them rise and have texture like wheat products. Those can cause all sorts of digestive upset.
It is best to stick with naturally GF for at least 3 to 6 months - fresh meat, veggies, and fruits.