JUUL vs. cigarettes: which delivers nicotine faster?
NCT ID NCT04053868
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how nicotine enters the body when people use JUUL e-cigarettes compared to smoking regular tobacco cigarettes. Seventeen healthy adult smokers took part, and researchers measured nicotine levels and heart rate after each product. The goal was to understand the differences in nicotine delivery, not to test a treatment.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
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Locations
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University of California, San Francisco
San Francisco, California, 94143, United States
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Zuckerberg San Francisco General Hospital
San Francisco, California, 94110, United States