This study will evaluate the effect of counseling plus Approach Bias Modification on cannabis use and craving in people with cannabis use disorder. The study consists of a screening visit, four treatment visits and a follow-up. Participants will have 4 sessions of counseling, 4 sessions of Approach Bias Modification, and 3 cue reactivity sessions.
The purpose of the study is to explore the effects of progesterone on cannabis withdrawal in women who regularly smoke marijuana. Participants will be asked to abstain from marijuana use for 5 days after the onset of menses. They will receive 8 doses of either progesterone or placebo during this time. On Days 1 and 5 they will come to the clinic to complete study assessments and provide urine, saliva and blood samples.On Days 2-4 assessments will be completed via text messages, Redcap surveys and video calls. Participants will be monitored for adverse events and cannabis withdrawal on each study day.