The most significant near-term opportunity lies in the recovery and continued expansion of Chinese outbound tourism, which remains one of the largest single demand drivers for duty free cigarette revenues globally
The team also measured a property called oxidative potential (OP), which quantifies the smoke's capacity to generate reactive oxygen species, aggressive molecules that drive inflammation, lung tissue remodelling, and the vascular changes underlying heart disease

Categories A Cigarettes B Cigarettes C Cigarettes D Cigarettes E Cigarettes F Cigarettes G Cigarettes H Cigarettes J Cigarettes K Cigarettes L Cigarettes M Cigarettes N Cigarettes P Cigarettes R Cigarettes S Cigarettes T Cigarettes V Cigarettes Valentine Cigarettes Valiant Cigarettes Value and Quality Cigarettes Value Pride Cigarettes Value Sense Cigarettes Vanguard Cigarettes Vanguard V Cigarettes Vanilla Cigarettes Vanity Cigarettes Vantage Cigarettes Vaquero Cigarettes Vardar Cigarettes VB Victory Brand Cigarettes Vegas Cigarettes Vegas Robaina Cigarettes Velvet Cigarettes Venus Cigarettes Vermont Cigarettes Versace AV Cigarettes Versace Cigarettes Veve Cigarettes Viceroy Cigarettes Viceroy Lights Cigarettes Viceroy Wills Cigarettes Victoria Cigarettes Victory Cigarettes Victory Forever Cigarettes Vigor Cigarettes Vikend Filter Cigarettes Viking Cigarettes Villiger Sweets Cigarettes Vilnius Cigarettes Vinataba Cigarettes VIP Cigarettes Virginia Cigarettes Virginia Gold Cigarettes Virginia No 8 Cigarettes Virginia Ovals Cigarettes Virginia Rounds Cigarettes Virginia S

Measures Questionnaire A self-administered questionnaire was used to assess the general sociodemographic characteristics of participants (age, sex, grade, boarding situation and academic performance), factors associated with e-cigarette use (ever use or currently use), environmental exposure (defined as adolescents who have seen anyone using e-cigarettes over the past 30 days), perceptions (including two domains, positive and negative expectancy domains)
Where did