least harmful cigarette Cigarettes with pro-environment marketing perceived as less harmful, study finds Vaping vs Smoking vs IQOS:

Available: (accessed 2023 June 12)

[43] A 2015 study evaluated "a variety of factors that can influence nicotine yield and found that increasing power output from 3 to 7.5 W (an approximately 2.5-fold increase), by increasing the voltage from 3.3 to 5.2 V, led to an approximately 4- to 5-fold increase in nicotine yield." [43] A 2015 study, using a model to approximate indoor air workplace exposure, anticipates greatly reduced exposure to nicotine from e-cigarettes than traditional cigarettes

When you stop using nicotine or lower your nicotine intake, you may experience nicotine withdrawal as your body adjusts to not having nicotine

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In utero exposure to nicotine, which is found in many vaping products, is known to directly harm fetuses by causing abnormal lung, heart, brain, and immune system development, which carries lifelong consequences