white cigarette pack 343 Stock Photos, High-Res Pictures, and Images Open White Pack of Cigarettes
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This provides both convenience and flexibility

Some components of e-cig vapor have cytotoxic, genotoxic, and carcinogenic properties [22, 23]

Completely wrong info

Endothelial dysfunction can be non-invasively assessed in humans through flow-mediated dilation (FMD), an ultrasound-based method [17]

Two Likert-type items assessed intentions to use study cigarettes with the prompt, How likely is it that you would [purchase/regularly use] this cigarette brand? using a 10-point response scale (0 = extremely unlikely, 10 = extremely likely)
