heated tobacco devices No Evidence' That Products Are Less Harmful Than Cigarettes What are heated tobacco products,

Only 16.5% reported no exposure in any setting, confirming the persistence of involuntary exposure in both public and private environments (Figure 1)

6.3 Respiratory symptoms and exercise performance in youth who vape Beyond objective lung function measurements, e-cigarette use in adolescents has been associated with a range of respiratory symptoms that can directly impede physical activity and exercise performance

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References Susan Stocker

Monitoring of air quality generally takes place in areas where we expect air pollution to be highest and where people are exposed

Specifically, we examine selection homophily processes using mixed-effects logistic regressions to investigate whether similarity with another pupil on the smoking and vaping outcomes increases the likelihood of nominating them as a friend (objective 1)