Evaluation of Very Low Nicotine Content Cigarettes in Adolescent Smokers

Exclusion Criteria

• •Current pregnancy
• •Self-reported daily use of alcohol or other non-prescribed drugs (excluding marijuana).
• •Participants who are seeking treatment for their smoking or who report that they intend to quit smoking within the next 30 days and have made a 24-hour quit attempt in the past year
• •Participants who report current suicidal ideation on the MINI suicide subscale questions 4 \& 5 ("In the past month did you have a suicide plan?" and "In the past month did you attempt suicide?"), as well as participants who indicate that they have made a suicide attempt in their lifetime
• •Participants who report use of other non-cigarette tobacco products more than 9 out of the last 30 days