Marijuana Use by Adolescents and Young Adults with Inflammatory Bowel Disease. Posted on April 21, 2018 by David “Marijuana use by adolescents and young adults with IBD is common and perceived as beneficial.” https://www.ncbi.nlm.nih.gov/pubmed/29673723 http://www.jpeds.com/article/S0022-3476(18)30388-3/fulltext