Around 1 .4 million of Us citizens with celiac disease don’t realize it 1 Roughly.8 million Americans have got celiac disease, but about 1.4 million of them are unaware that it is got by them, a Mayo Clinic-led analysis of the condition’s prevalence has found. On the other hand, 1.6 million people in the usa are on a gluten-free diet despite the fact that they haven’t been identified as having celiac disease, according to the study released Tuesday in the American Journal of Gastroenterology. Researchers have estimated the rate of diagnosed and undiagnosed celiac disease at related levels ahead of this study, but this is the most definitive research on the presssing issue.