can smoking cigarettes cause toothache and Toothaches: What Experts Say Smoking can have serious effects
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[PubMed] Lee HW, et al
Physical damage: Punctures, crushing, or impact during handling or waste processing can compromise internal components and trigger thermal runaway

Too much nicotine can lead to toxicity

Doctors can find traces of nicotine in urine and blood for days after you have last had it
