Healthy adults ages 18 to 55 are needed to take part in a Johns Hopkins research study involving oral and inhaled delta-8-THC and delta-9-THC. The study includes a screening visit to determine if you are eligible. If you are eligible, you can complete four or eight drug administration sessions, which each last about nine hours. All study visits take place at the Johns Hopkins Bayview Medical Center. Up to $1,540 can be earned for completing the first four sessions and up to $2,990 can be earned for completing all eight sessions. Please call (410) 550-9491 or complete this survey to see if you may qualify. Principal Investigator: Ryan Vandrey, PhD Protocol #: IRB00394164
