Introduction Many adult cigarette smokers use electronic cigarettes (e-cigarettes) to cut
down on or quit smoking cigarettes. E-cigarettes with higher abuse potential and appeal …

Background E‐cigarettes are alleged to be a gateway to cigarette smoking in non‐smokers.
This study examines whether the gateway theory has value, whether the criteria to establish …

Many regulatory bodies now recommend that tobacco product manufacturers provide
information regarding new tobacco products' abuse liability to inform regulatory …

Many harmful constituents are present in e-cigarettes at much lower levels than in cigarette
smoke, and the results of analysis of urinary biomarkers in e-cigarette users are consistent …

Background Electronic nicotine delivery systems (ENDS, e-cigarettes) are increasingly used
for the self-administration of nicotine by various human populations, including previously …

Behavioral economic methods allow experimental manipulation of price and examination of
its effects on tobacco product purchasing. These methods may be used to examine tobacco …

Smoking tobacco products is the leading cause of preventable death worldwide.
Coordinated efforts have successfully reduced tobacco cigarette smoking in the United …

The use of nicotine and tobacco products is highly addictive. The dopaminergic system
plays a key role in the initiation and maintenance of nicotine intake. Dopamine D1‐like …

Nicotine vapor consumption via electronic nicotine delivery systems has increased over the
last decade. While prior work has shed light on the health effects of nicotine vapor …

Rationale Understanding factors contributing to individual differences in vulnerability to
opioid addiction is essential for developing more effective preventions and treatments, yet …