[Updated July 6, 2015]

Ask Your Doctor

Find the latest articles on food allergies and sensitivities to help you have a meaningful conversation with your doctor.

What is Celiac Disease?

Celiac disease is a genetic autoimmune disorder that occurs when the body reacts abnormally to gluten, a protein found in wheat, rye, and barley. When people with celiac disease eat foods that contain gluten, an immune-mediated toxic reaction causes damage to their small intestine, as well as to other systems in the body.

Celiac disease affects about 1 in 133 people, an estimated 3 million Americans. Approximately 85 percent of these people are thought to be undiagnosed. For more information on Celiac Disease, please read What is Celiac Disease?

Non-Celiac Gluten Sensitivity

For years, many people reported having celiac-like symptoms—abdominal pain, fatigue, foggy mind, joint pain, tingling of the extremities, even depression—but they repeatedly tested negative for celiac disease—and responded positively to the gluten-free diet. Now specialists recognize...more