Dr Sandra Cabot and naturopath Margaret Jasinska delve into the highly topical gluten intolerance and the blood tests you can do to see if gluten might be a problem for you. Unresolved health issues such as gut problems, fatigue and mood issues might indicate undiagnosed coeliac disease or gluten intolerance - doing the HLA-D2Q gene test is a great indicator that gluten could be causing your health issues and you can try removing it from the diet.