This study is being conducted to better understand smoking and other tobacco products and to explore ways to improve health outcomes and overall quality of life for adults who smoke.

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

Inclusion Criteria:

• Ages 21+
• Currently smoke cigarettes
• Willing to use e-cigarettes or nicotine pouches

Overall Duration

The study lasts for about 6 weeks, plus an intake visit to see if you qualify. If you are eligible, you will attend 6 weekly visits at our office in New Haven.

Study Activities

Your first visit is an intake visit, where you will learn more about the study and complete screening steps to see if you qualify. If you are eligible, you will return to our office once a week for 6 weeks. Each visit lasts about 10–30 minutes. During these visits, you may be asked to:

• Answer questions about your health and smoking habits
• Provide feedback about the product you are using
• Complete short surveys or interviews
• Receive new e‑cigarettes or nicotine pouches for the week

Between visits, you will be asked to use the product you were given (either e‑cigarettes or nicotine pouches) for 4 weeks. The study team will also check in on your health and make sure the product is being used safely.

Additional Notes

All visits take place at our office in New Haven, CT. The study team will explain every step in simple, clear language and answer any questions you have.

Yes, participants may receive up to $330 in compensation for their time.

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