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 finds standardised packaging for vapes 'reduces appeal for children' News Study: Partial Flavor Ban on Vapes Had Addiction Consequences for American Students UW CTRI UWMadison UC Davis study: Disposable vapes may be more toxic than cigarettes U.S. E cigarette Sales Climbed during 2020 2022 Vape Waste 2