The study is being done to understand how different nicotine levels in cigarettes and e-cigarettes affect smoking patterns in adults who use both.

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

Inclusion Criteria:

• Adults who smoke cigarettes and vape e-cigarettes
• Ages 21+
• Willing to complete weekly video check-ins and in-person visits
• Willing to only use smoking and vaping products provided by the study team

1. Complete an online survey to see if you qualify.

2. Enroll in the study if eligible.

3. Receive study-provided cigarettes and e-cigarettes.

4. Each week for 14 weeks, complete a short video check-in via Zoom and a curbside visit in Burlington, VT.

5. At each visit, exchange your study products and complete a quick carbon monoxide breath test.

6. Fill out short questionnaires about your smoking and vaping habits, cravings, and experiences.

7.  

As a participant, you may receive up to $1976.

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