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Link: Catania, 17 January 2023 Chronic obstructive pulmonary disease (COPD) is a common chronic lung disease characterised by respiratory symptoms and progressive airflow limitation due to inflammatory responses in the airways/lungs in response to protracted exposure to smoke toxicants

Exercise caution with this activity: conduct the experiment on a flameproof surface and make sure there are no flammable materials nearby

Side stream smoke is regarded more harmful than mainstream smoke because it carries a larger quantity of scattered respirable contaminants across a longer exposure time [2]

Its the first time Ive encountered two separate cards dedicated to the same subject, except in sets focused on a single topic

Implications The once commonplace habit of cigarette smoking has dwindled to the point that fewer than one in seven Americans smoke