[Efficacy, tolerability, and safety of cannabinoids in gastroenterology : A systematic review]. Posted on January 27, 2016 by David “Cannabis may be useful for symptom relief in Crohn’s disease such as pain, nausea, and loss of appetite.” http://www.ncbi.nlm.nih.gov/pubmed/26809974 http://www.thctotalhealthcare.com/category/crohns-disease/