ArticleERJ open research2026
Reduced vascular function, ventilatory efficiency and exercise capacity in young adult electronic cigarette users.
Article in ERJ open research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Acute electronic cigarette (E-cigarette) use has shown adverse cardiorespiratory impacts similar to conventional cigarette (C-cigarette) smoking; however, its early effects remain unclear. We aimed to examine the early effects of E-cigarette use on systemic vascular function, cardiorespiratory responses to exercise and exertional symptoms in young adults. Methods: 75 healthy active young adults (18-30 years), divided into three age- and sex-matched groups (E-cigarette users, C-cigarette smokers and never-smoker controls; n=25 each, E-cigarette use or smoking duration ≥18 months), underwent an incremental cycle exercise test with standard metabolic, cardiorespiratory, blood lactate and sensory measurements. Brachial artery flow-mediated dilatation (FMD) was assessed using Doppler ultrasound. Blood samples were collected to assess vascular inflammatory markers. Results: Cotinine (nicotine metabolite) levels were not different between E-cigarette users and C-cigarette smokers (80.7±33.0 Conclusion: E-cigarette use and C-cigarette smoking were both associated with early detrimental effects on exercise capacity, ventilatory efficiency, systemic vascular function and amplified exertional symptoms.
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