is 10 cigarettes a day a heavy smoker Am I safe smoking 2 to 3 day?" is 10 cigarettes a day
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Chang Y, Jung HS, Cho J, Zhang Y, Yun KE, Lazo M, et al

Tob Control Published Online First: [ please include Day Month Year] doi:10.1136/tobaccocontrol-2014-051945 NLB serves as a paid consultant to pharmaceutical companies that are developing or that market smoking cessation medications
Which one is it
While upfront costs for a vape starter kit exist, ongoing costs for e-liquids and cartridges are significantly lower than buying cigarettes daily

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