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Common symptoms include persistent coughing, chest pain, shortness of breath, and an increased frequency of lung infections
We measured nicotine and 3-EP levels at main public transport stops, on caf terraces, and at public building entrances
For example, a 2mL pod with 20mg/mL nicotine strength contains 40mg total nicotine, about the same as 12 packs of cigarettes in potential dosage
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The study also found that the majority of young smokers had taken up the habit before they turned 18 and that the more cigarettes they smoked overall, the higher the risk of respiratory symptoms