why would my cigarette lighter stop working not : r/MechanicAdvice Why Did My Cigarette Lighter

While thats technically true on a chemical level, smoking doesnt involve digestion

In 2020, the journal Preventing Chronic Disease published a review of the manufacturer-reported nicotine yields of cigarettes sold in the United States from 2013 to 2016 and found that their nicotine content as measured by smoking machines ranged from 0.10 to 3.00 mg per cigarette

Comparing Severity and Progression Research suggests that long-term smokers often experience more severe gum disease due to prolonged exposure to toxic smoke compounds

Cotinine stays in the body quite a bit longer than nicotine

Below are the various vaping dangers users are exposed to: Cardiovascular Damage Studies have shown that e-cigarettes can cause severe cardiovascular damage