Food allergy should not be confused with 'food intolerance', of which the best-defined with an immunological component is the gluten intolerance syndrome coeliac disease.
食物过敏不能和食物不耐症混为一谈，在后者之中，用免疫学最好的定义了的一种病是麸质不耐症乳糜泄。
2
Although the definite etiology and pathogenesis are not very clear up to now, many studies show that the immunological factors play a key role in the demyelinating disease of CNS.