Nicotine Vaping Linked to Lower Vascular Function
A new study reveals that young adults who use nicotine vapes show signs of impaired blood vessel function.
Updated on Oct. 30, 2026 in Heart Disease
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A study published in JAMA Cardiology found that young adults who use nicotine vapes exhibit lower vascular function and peak oxygen uptake compared to non-users. Researchers observed these cardiovascular impacts in participants with a mean age of 26.
Why it matters
The findings help clarify whether vaping carries significant cardiovascular consequences for populations typically considered to be at low risk for heart disease. This research provides critical data on the physiological effects of electronic nicotine delivery systems.
Flow-mediated dilation in vape users measured 5.5%, while non-users averaged 8.3%. Researchers also found carotid artery reactivity was 0.6% in vape users compared to 4.7% in the non-user control group.
The players
FDA
The Food and Drug Administration is the federal agency responsible for protecting public health by ensuring the safety, efficacy, and security of human drugs and tobacco products.
JAMA Cardiology
This is a peer-reviewed medical journal that publishes original research and commentary on advances in the prevention, diagnosis, and treatment of cardiovascular diseases.
The details
The study included 58 participants who were categorized as exclusive nicotine vape users, combustible cigarette users, or non-users. Researchers assessed cardiorespiratory fitness and vascular health using flow-mediated dilation, carotid artery reactivity, and cardiopulmonary exercise testing.
Timeline
Study data collection occurred between July 2023 and April 2025.
The study was published in JAMA Cardiology on October 21, 2026.
Health Landscape
This research provides a new physiological baseline that contrasts with the regulatory environment established by the FDA's authorization of Glas electronic nicotine delivery systems in May 2026.
These findings suggest that young adults using nicotine products may face measurable cardiovascular impacts despite being in a low-risk demographic. Patients are encouraged to discuss the potential vascular risks of vaping with their primary healthcare provider.
The takeaway
The study highlights that vaping nicotine is associated with decreased vascular efficiency and cardiac output in young, otherwise healthy individuals. Researchers emphasize that longitudinal studies are now necessary to fully understand the long-term clinical risks of these changes.
Further reading
For more on cardiovascular research, see the Heart Disease section.
Source note: This article includes information reported by Pharmacytimes.
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