Impact of New Standards for Tobacco Products Among Dual E-Cigarette/Combusted Cigarette Users - Project 2

Study start date: October 12, 2022

Inclusion Criteria: 1. Legal age to purchase tobacco products; 2. Regular user of EC and CC; 3. Owns the e-cigarette device used most often; 4. Agrees to abstain from using all tobacco products for 12 hours prior to each experimental session; 5. Self-reporting tobacco flavored e-liquid is preferred or usual flavor e-liquid Exclusion Criteria: 1. Unstable medical conditions as determined by the licensed medical professional; 2. Unstable psychiatric conditions as determined by the licensed medical professional or PI; 3. Currently pregnant, breastfeeding, trying to become pregnant or unwilling to agree to use adequate protection to avoid pregnancy; 4. Serious quit attempt of either or both products in the past 3 months resulting in \>30 days of abstinence; 5. Currently using nicotine replacement therapy or other pharmacotherapies as cessation aide; 6. Plans to quit use of either EC or CC, or all tobacco products in the next 45 days; 7. Self-reporting nicotine-free, CBD, or THC liquid is preferred or usual e-liquid; 8. Vital signs outside of the following range (participants failing for vital signs will be allowed to re-screen once): 1. Systolic blood pressure (BP) greater than or equal to 160 mm/hg 2. Diastolic BP greater than or equal to 100 mm/hg 3. Heart rate greater than or equal to 115 bpm; 9. Allergy to propylene glycol or vegetable glycerin; 10. Previous adverse reaction when using vaping device or e-liquid; 11. Current or recent alcohol or drug abuse problems; 12. Previous use of SPECTRUM or other reduced nicotine content cigarettes in past 3 months; 13. Literate and able to independently complete and comprehend the consent form and other written study materials and measures.