1. Lebwohl B, Ludvigsson JF, Green PH. Celiac disease and non-celiac gluten sensitivity. BMJ. 2015;351:h4347.
2. Choung RS, Unalp-Arida A, Ruhl CE, Brantner TL, Everhart JE, Murray JA. Less hidden celiac disease but increased gluten avoidance without a diagnosis in the United States: findings from the National Health and Nutrition Examination Surveys from 2009 to 2014. Mayo Clin Proc. 2016.
3. Laszkowska M, Shiwani H, Belluz J, et al. Socioeconomic vs health-related factors associated with google searches for gluten-free diet. Clin Gastroenterol Hepatol. 2018;16:295–297.
4. Brenan M. Most Americans Try to Eat Locally Grown Foods. https://news.gallup.com/poll/240515/americans-try-eat-locally-grown-foods.aspx . Updated August 7, 2018. Accessed March 2, 2019.
5. The Hartman Group. Health + Wellness 2017 Report. https://www.hartman-group.com/acumenPdfs/gluten-free-9_13_18.pdf . Updated September 13, 2018. Accessed March 2, 2019.