is cigarette smoking really addictive How Do I Know I'm Addicted to Nicotine? Tobacco Addiction: Symptom, Causes, Effect,

And the pursuit of happiness

At each follow-up evaluation, the investigators assessed the number of days smoked (i.e., frequency) and total amount of cigarettes smoked (i.e., intensity) over the previous 14 days

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Stop use and ask a doctor if mouth, teeth, or jaw problems occur irregular heartbeat or palpitations occur you get symptoms of nicotine overdose such as nausea, vomiting, dizziness, diarrhea, weakness, and rapid heartbeat you have symptoms of an allergic reaction (such as difficulty breathing or rash) Keep out of reach of children and pets

Smoker characteristics and smoking-cessation milestones