Here's a link to the Mayo Clinic page on the C.difficile bacteria, which is an infection passed in feces and spread in food, surfaces, etc. People with IBD are at a greater risk of getting sick from contact with C.diff. It is most likely to be contracted in a hospital.
www.mayoclinic.com/health/c-difficile/DS00736SCD is the Specific Carbohydrate Diet, which several people in this forum follow. It is one of many diets for Crohnies -- some tolerate it very well, some cannot tolerate it. SCD was popularized by Elaine Gottschall in the book Breaking the Vicious Cycle. If you check out the resources page, you can find out more information about
various diet options for Crohnies.