Figure 3. Schematic of environmental factors influencing changes in CD rates over time. Changes in CD rates may be caused by changes in environmental factors, such as breastfeeding duration timing of gluten introduction, and amount of gluten exposure

From

Celiac Disease: The Evolutionary Paradox

Kayla Morrell, Melissa K. Melby

International Journal of Celiac Disease. 2017, 5(3), 86-94 doi:10.12691/ijcd-5-3-3