Source · product

Electronic nicotine delivery systems (ENDS)

Also: ENDS, e-cigarettes, vapes

Battery-powered devices that deliver nicotine by heating a liquid into an aerosol; a source of indoor airborne constituents.

G-0023 · Updated 16 September 2026 · Coridum Research

What the studies report

Linked toEffectPopulationStudy designSourceChecked
Carbon monoxide (CO) the authors explain it by carbon monoxide being a by-product of incomplete combustion, which these devices do not have — · home real-life measurement study in Portuguese homes: PM, carbon monoxide, volatile organic compounds and other pollutants measured while conventional tobacco cigarettes, heated tobacco products and electronic cigarettes were smoked indoors, against background periods without smoking F-0970 Savdie et al. Passive Exposure to Pollutants from a New Generation of Ciga… (2020) machine
Nicotine mean 3.13 — · test chamber laboratory measurement of electronic cigarette emissions: nicotine and other compounds measured in the air of a chamber for tobacco-flavoured and menthol-flavoured products at different puffing times F-1706 Lee Nicotine, aerosol particles, carbonyls and volatile organic … (2017) machine
Nicotine mean 1.48 — · test chamber laboratory measurement of electronic cigarette emissions: nicotine and other compounds measured in the air of a chamber for tobacco-flavoured and menthol-flavoured products at different puffing times F-1707 Lee Nicotine, aerosol particles, carbonyls and volatile organic … (2017) machine

Each row is one Finding — a sentence as printed in one study, recorded with its page in the Coridum Knowledge Base. Follow the Finding number for the exact wording and the citation. Checked says who verified the row: machine means every automatic check passed and the surrounding text was read; person means someone read the sentence in the document. Rows are re-checked by a person over time. The studies are curated in the Coridum Knowledge Base; the reading of them together is a Claim, shown separately.

Identifiers

MeSH
D066300

In the literature

  1. Li et al. Effects of electronic cigarettes on indoor air quality and health (2020). Annual review of public health. doi:10.1146/annurev-publhealth-040119-094043 CKB 0954
  2. A single-center evaluation of environmental emissions from ENDS and combustible cigarettes… (2021). Contributions to Tobacco & Nicotine Research. doi:10.2478/cttr-2021-0002 CKB 0955
  3. Comparison of the effects of three types of heating tobacco system and conventional cigarettes on indoor air quality (2021). doi:10.1007/s42452-021- CKB 0956

Studies in the Coridum Knowledge Base in which this term is used. The definition follows standard usage in WHO, ISO and textbook sources; it is not quoted from these papers.

CKB = document number in the Coridum Knowledge Base, our curated library of peer-reviewed studies. Follow the DOI for the original paper.

Cite this page

Coridum Research. Electronic nicotine delivery systems (ENDS). Coridum Knowledge G-0023, 16 September 2026. https://coridum.com/k/G-0023/

Stable reference: G-0023 — the citation carries the permanent link https://coridum.com/k/G-0023/, which never changes even if this page's address does. This page: https://coridum.com/knowledge/glossary/electronic-nicotine-devices/