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Cigarette packages shown in the current study, however, did not display a pictorial health warning on the package front, as per existing regulations in Brazil

Regulatory Landscape E-cigarettes in the European Union are regulated mainly under Article 20 of the Tobacco Products Directive (TPD, 2014/40/EU), which sets requirements around product notification, safety, and labeling/packaging, while allowing Member States to apply additional national measures

Cold sores, also called fever blisters or herpes simplex type 1, are groups of painful, fluid-filled blisters

A separate study similarly found that a tobacco-free nicotine claim included in an e-cigarette ad increased intentions to use and willingness to pay, versus an ad without the claim

minimal air purification is fine for cigarette smoking