http://ccfa.org “The Crohn's & Colitis Foundation of America (CCFA) is a non-profit, volunteer-driven organization dedicated to finding the cures for Crohn's Disease and ulcerative colitis, and to improving the quality of life of children and adults affected by these diseases”
https://celiac.org “Celiac Disease Foundation drives diagnosis, treatment, and a cure through advocacy, education, and research to improve the quality of life for all people affected by celiac disease and non-celiac wheat sensitivity.”