do cigarettes burn your throat on Fire: Can Smoking Cause Sore Throat? Burning Sore Throat From Vaping?

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In the case of tobacco smoke the maximum amount of irritation is produced because, in addition to the mechanical irritation (particles of carbon), there is also a chemical (tarlike combustion products) and a thermal (current of heated air) irritation

Eur Respir J 1998, 12 (2) : 380386

Importantly, studies examining smokers who switched to e-cigarettes have reported improvements in blood pressure control over follow-up periods of 6 to 12 months [23, 24], suggesting that the net cardiovascular effect may depend critically on whether e-cigarette use replaces or supplements combustible cigarette smoking [25]