You may qualify for this study if you meet the following criteria.

 Inclusion Criteria:

• Ages 25-60
• Regular user of cannabis concentrates, at least 4 times per week (e.g., shatter, wax, budder, oil)
• Not currently seeking to cut down or stop cannabis use
• Using alcohol less than 3 days per week
• Using nicotine less than daily
• No other illicit substances in the past 60 days
• No major psychiatric disorder (e.g., schizophrenia, bipoloar disorder)
• No significant medical conditions

If you participate in this study, you can expect to participate in various vists and testing, as outlined below:

• Initial On-Campus Visit:

  • Physical Exam: You will undergo a thorough physical examination.
  • Lab Tests: You will have various laboratory tests conducted.
  • Screening: This visit will serve as a screening to determine your eligibility for the study.

• Sample Collection:

  • Urine and Blood Samples: You will provide samples of urine and blood for analysis.

• Testing and Questionnaires:

  • Alcohol Breathalyzer Tests: You will take tests to measure alcohol levels.
  • Questions and Questionnaires: You will answer questions and complete several questionnaires.

• CBD or Placebo Administration:

  • CBD or Placebo: You will receive either cannabidiol (CBD) or a placebo during the study.

• Subsequent Home-Based Visits:

  • Mobile Pharmacology Lab Visits: You will have three additional visits at home with our mobile pharmacology lab, a specially equipped van, over the course of approximately five weeks.

You will be paid $50 for screening, $75 for baseline, $125 for Week 2 and $150 for Week 4 visits. This will add up to a total of $400 if you complete all the visits.

There is no cost for you to participate in our research study.