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Some of the key ways smoking impacts your lungs include: Damaged Airway Linings: Smoking irritates the linings of your airways and weakens the protective barriers that help keep bacteria, viruses, and other harmful particles out of your lungs

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The emissions were then analysed for their physical and chemical properties, including particle concentration, metal content and oxidative potential a measure of the smoke's ability to generate harmful molecules that can damage cells and tissues

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2 Inhaled particulate matter from CS is deposited in the respiratory tract depending on the size, with larger particulates in the upper airways and smaller particulates deposited in the alveoli