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  "map_content": "A few key points:\n- Early in the pandemic there were confusing reports about smokers and COVID. Better studies showed smokers have higher risks of severe disease, hospitalization, and death. Nicotine patches haven\u2019t shown protective effects against respiratory viruses.\n- Smoking impairs mucociliary clearance and local immune function, which makes viral infections more likely and more severe.\n- Cannabis smoke also irritates the airways and is associated with chronic bronchitis symptoms; switching to non-smoked routes reduces lung irritation.",
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