University of Chicago Depart of Psychiatry Behavioral Neuroscience that in comparison to placebo, 7.5mg THC significantly reduced self-reported subjective feelings of stress and anxiety. The study published in Drug and Alcohol Dependence Journal in May 2017 by Childs et al. concluded that a low dose of THC produces subjective stress-relieving effects, but that higher doses may non-specifically increase negative mood.  Heally and all the Medical Marijuana doctors are happy to see the anecdotal evidence they have receive from patients final start to hold scientific ground “Dose-related effects of delta-9-THC on emotional responses to acute psychosocial stress”.  Please find more details at Dose-related effects of delta-9-THC on emotional responses to acute psychosocial stress in the Drug and Alcohol Dependence journal.