This study involves three screening sessions that could last about 3 hours each.
Part of this study will be conducted on an inpatient unit where the participant will live for 4 straight nights.
During the inpatient stay participants will participant in experimental sessions where they will be asked to smoke cigarettes containing either marijuana or placebo (a blank). Participants will be asked to take capsules that could contain N-acetylcysteine or placebo (blank).
Participants will be asked to complete questionnaires and have vital signs (blood pressure, heart rate) monitored.
Participants will be asked to participate in overnight sleep recordings, a polysomnogram (PSG).
