Clinical Research Evaluating Smoking Cessation With E-Cigarettes and Nicotine Therapy

Inclusion Criteria:

* body mass index (BMI) ≥ 30 kg/m2 (i.e., obese)
* smoked ≥ 5 cigarettes/day during the past year
* 21 or older (due to minimum legal age EC restrictions)
* exhaled breath carbon monoxide (CO) level \> 6 ppm at Baseline (BL) (to confirm self-reported smoking)
* willing to use EC or NRT for 8 weeks
* access to a Bluetooth-enabled smartphone/tablet (to permit remote measurement of CO and other outcome variables)

Exclusion Criteria:

* received smoking cessation treatment of any kind in the past 30 days (actively quitting smoking),
* currently using EC or NRT more than 2 days/week (this may affect responses to study-supplied products)
* hospitalized for mental illness in past 30 days
* heart-related event (e.g., heart attack, severe angina) in past 30 days
* residing with another person currently enrolled in the study
* pregnant, nursing, or planning to become pregnant in the next 6 months
* medical contraindication for study or product use (e.g., allergy to adhesives)
* taken prescription weight loss medication in the last 30 days