Comparing NicoBloc to Nicotine Lozenges

Inclusion Criteria:

1. 18 years or older

2. planning to live in the Birmingham Metro area for the next 3 months

3. Smoking at least 5 cigarettes per day for the past year and a Carbon Monoxide>8ppmto ensure daily smoking. This relatively low cutoff was chosen due to theexpectation of enrolling a large >50% African-American average <10 cigarettes perday compared to Whites who average ~15 cigarettes per day

4. exclusive use of filtered cigarettes

5. English speaking.

Exclusion Criteria:

1. Living in a restricted environment that does not allow smoking (e.g., prison or jailfacility, etc.)

2. Pregnant or nursing (all women of childbearing potential will be required to use anacceptable form of contraception)

3. Currently enrolled in a smoking cessation treatment program, using nicotinereplacement products, or prescribed bupropion or varenicline

4. Known allergy nicotine lozenge

5. Within one month post-myocardial infarction or untreated severe angina

6. Cognitive impairment or unstable psychiatric condition that interferes with theinformed consent process (individuals stable on psychiatric medications will beincluded)

7. Daily or exclusive use of other tobacco products (e.g., electronic cigarettes,little cigars, etc.).