Celiac disease is only one possible way that gluten can make people sick. There are a range of other symptoms and health conditions that can result from gluten ingestion in genetically susceptible people. Liver-Doctor-Missing-The-Clues We used to think that every person with a gluten sensitivity experienced some kind of digestive disorder, such as abdominal bloating, gas, diarrhea, reflux, etc. We now know that it’s possible to be gluten sensitive yet suffer with no digestive symptoms at all. Sometimes neurological symptoms are the only clue that gluten is making you sick. Anxiety, depression, insomnia, restless legs syndrome, brain fog, Schizophrenia and balance disorders are all more common in gluten sensitive individuals. The bottom line is, you may not have celiac disease, yet gluten can still make you very ill. Source: Gluten sensitivity: From gut to brain. Lancet Neurol. 2010 Mar;9(3):318-30