Introduction: This study assessed sources of youth access to JUUL vaping products, the highest selling brand of the most commonly used tobacco product among adolescents in the United States.
Methods: A cross-sectional online survey assessed use of JUUL vaping products in a non-probability, nationally representative sample of 9865 adolescents aged 13-17 years in the United States. Past 30-day JUUL users (n = 1537) were asked how they got the JUUL vaping products they had used in the past 30-days. Those who reported having bought JUUL products themselves were asked about the places and people from whom they had bought products. Population-weighted percentages and 95% confidence intervals are reported for each source of access.
Results: An estimated 79.6% (95% CI = 77.5-81.6%) of current JUUL users obtained JUUL products from at least one social source (e.g. 'someone bought for me, someone offered to me) in the past 30 days. By comparison, 20.0% [95% CI = 18.0-22.0%) of current users bought JUUL products themselves. Of 1322 youth who reported obtaining JUUL products from at least one source or by buying products themselves in the past 30 days, 77.5% (95% CI = 75.3-79.8%) had obtained JUUL products from social sources (i.e. they did not buy products directly), 17.2% (95% CI = 15.2-19.3%) obtained JUUL products by buying the products themselves (i.e. they did not obtain products from any social sources), and 5.2% (95% CI = 4.0-6.4%) had obtained JUUL products both from social sources from buying the products themselves. Among youth who bought JUUL products themselves, the most common place of purchase was 'a gas station or convenience store' [53.1% (95% CI = 47.5- 58.6%)].
Conclusions: Youth who are currently using JUUL vaping products obtain these products predominantly through social sources, such as friends and peers. Youth sources of access to JUUL vaping products appear to mirror youth sources of access to other tobacco products. Reducing youth use of JUUL vaping products will require a greater focus on measures that deter or penalize legal-age purchasers who give or sell products to minors.
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http://dx.doi.org/10.1016/j.abrep.2019.100232 | DOI Listing |
Ther Innov Regul Sci
December 2024
Department of Regulatory and Quality Sciences, USC Alfred E. Mann School of Pharmacy and Pharmaceutical Sciences, University of Southern California, Los Angeles, USA.
Background: Youth nicotine addiction is a major public health concern in the United States. Disposable Electronic Nicotine Delivery Systems (ENDS), or disposable vapes, are commonly sought out by youth despite not having received premarket authorization from the FDA. The objective of this study was to identify factors contributing to underage consumption of disposable ENDS.
View Article and Find Full Text PDFAnal Chim Acta
January 2025
Interdisciplinary Nanoscience Center (iNANO), Faculty of Natural Sciences, Aarhus University, Gustav Wieds Vej 14, 8000, Aarhus C, Denmark. Electronic address:
Background: Existing liquid biopsy assays for protein biomarkers of cancer are mostly based on antibodies (Ab) contributing unfavorably to their high cost. Easy to express and modify in vitro, nanobodies may be a cost-effective alternative to Ab.
Results: We show that serum HER-2/neu, a biomarker and target of aggressive HER-2/neu(+) cancers, can be accurately detected in a 1.
Int J Hyg Environ Health
December 2024
Centre for Occupational and Environmental Health, Division of Population Health, Health Services Research and Primary Care, School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK.
Background: We aimed to develop a method for assessing occupational styrene exposures for application in epidemiological studies on risks of lymphohematopoietic neoplasms and other malignant and non-malignant diseases in the European and the US glass reinforced plastics industries.
Method: We estimated a linear mixed effects model based on individual airborne personal measurements of styrene from the glass reinforced plastics industry in Denmark, Norway, Sweden, UK, and the US. The most suitable model was chosen based on its predictive power as assessed using cross validation with different combinations of predictors; and by comparing their prediction errors.
Metab Brain Dis
December 2024
Department of Hepatology and Gastroenterology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus N, DK-8200, Denmark.
Urea synthesis is an irreversible, essential for maintenance of health and life, and highly regulated liver function with a very high capacity for production of the end-product urea-nitrogen. The set-point of urea synthesis in relation to its overall substrate, the prevailing blood concentration of L-α-amino acids, contributes to determine whole-body nitrogen balance and the size and composition of the plasma free amino acid pool. Ammonia is definitively eliminated from the body by urea synthesis.
View Article and Find Full Text PDFiScience
November 2024
Department of Clinical and Experimental Medicine, University of Catania, 95123 Catania, Italy.
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