Electronic cigarettes and insulin resistance in animals and humans: Results of a controlled animal study and the National Health and Nutrition Examination Survey (NHANES 2013-2016)

Autoři: Olusola A. Orimoloye aff001;  S. M. Iftekhar Uddin aff001;  Lung-Chi Chen aff002;  Albert D. Osei aff001;  Mohammadhassan Mirbolouk aff001;  Marina V. Malovichko aff002;  Israel D. Sithu aff002;  Omar Dzaye aff001;  Daniel J. Conklin aff002;  Sanjay Srivastava aff002;  Michael J. Blaha aff001
Působiště autorů: Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America aff001;  American Heart Association Tobacco Regulation and Addiction Center, Dallas, Texas, United States of America aff002;  Department of Environmental Medicine, New York University School of Medicine, Tuxedo, New York, United States of America aff003;  Envirome Institute, University of Louisville, Louisville, Kentucky, United States of America aff004
Vyšlo v časopise: PLoS ONE 14(12)
Kategorie: Research Article
doi: https://doi.org/10.1371/journal.pone.0226744



The popularity of electronic cigarettes (E-cigarettes) has risen considerably. Several studies have suggested that nicotine may affect insulin resistance, however, the impact of E-cigarette exposure on insulin resistance, an early measure of cardiometabolic risk, is not known.

Methods and results

Using experimental animals and human data obtained from 3,989 participants of the United States National Health and Nutrition Examination Survey (NHANES), respectively, we assessed the association between E-cigarette and conventional cigarette exposures and insulin resistance, as modelled using the homeostatic model assessment of insulin resistance (HOMA-IR) and glucose tolerance tests (GTT). C57BL6/J mice (on standard chow diet) exposed to E-cigarette aerosol or mainstream cigarette smoke (MCS) for 12 weeks showed HOMA-IR and GTT levels comparable with filtered air-exposed controls. In the NHANES cohort, there was no significant association between defined tobacco product use categories (non-users; sole E-cigarette users; cigarette smokers and dual users) and insulin resistance. Compared with non-users of e-cigarettes/conventional cigarettes, sole E-cigarette users showed no significant difference in HOMA-IR or GTT levels following adjustment for age, sex, race, physical activity, alcohol use and BMI.


E-cigarettes do not appear to be linked with insulin resistance. Our findings may inform future studies assessing potential cardiometabolic harms associated with E-cigarette use.

Klíčová slova:

Animal studies – Electronic cigarettes – Glucose tolerance tests – Insulin – Mouse models – Smoking habits – Urine


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2019 Číslo 12
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