Please use this link to access this publication. Abstract Introduction Anorexia nervosa (AN) is a psychiatric disorder with a high mortality and unknown etiology, and effective treatment is lacking. For decades, cannabis has been known to cause physical effects on the human body, including increasing appetite, which may be beneficial in the treatment of AN. Objective To systematically review the literature for evidence of an effect of cannabinoids on (1) weight gain, and (2) other outcomes, in AN. Method A systematic review was done using three databases Embase, PubMed and Psychinfo. The review was registered in PROSPERO with ID number CRD42019141293 and was done...