This study is an 8-week cannabis reduction trial among adults (ages 18+; N=176) with CUD who are interested in reduction to assess effects of cannabis reduction on: 1) cannabis-related problems and consequences, 2) objective measures of sleep and cognitive performance, and 3) patient-reported improvements, including quality of life and CUD severity. All participants will receive CUD treatment and cannabis use will be comprehensively assessed via detailed self-report and urinary cannabinoids.All participants will receive cognitive behavioral treatment (CBT4CBT- a computerized cognitive behavioral therapy) enhanced with motivational interviewing, brief counseling, and financial incentives provided on a sliding scale for demonstrating reduction in urinary cannabinoids.

Eligible participants (ages 18+ whom have daily cigarette use) will attend an in-person assessment (though some aspects of the study, including consent, can be completed remotely). Participants will submit a breath sample for assessment of expired carbon monoxide. Approximately 5-7 days after completion of the in-person assessment, participants will meet with research staff. A medical clinician will meet with the participant to present a smoking cessation treatment recommendation along with resources. Participants will also complete surveys to assess their treatment preferences, motivation, and self-efficacy following receipt of the recommendation.