One million people in England vape despite never having smoked regularly, study finds Vaping The Guardian UC Davis study: Disposable vapes may be more toxic than cigarettes Changes in expenditure on vaping in the context of the rise of disposable vapes and impending regulatory changes: a population study in Great Britain, 2021 2025 medRxiv Study: Partial Flavor Ban on Vapes Had Addiction Consequences for American Students UW CTRI UWMadison Turns out the disposable nicotine delivery systems are, as suspected, worse than the real thing, according to a new study from researchers at UC Davis.