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Yes third-hand smoke residue can be detected on surfaces for weeks or months after smoking has stopped, using nicotine surface wipe sampling and laboratory analysis, even when theres no visible or noticeable smell
But nature can break down things like food or leaves in just months
How to Clean Smoke Damage from Ceiling Finally, youll want to clean any smoke damaged ceilings
"Ali Larter"
Most of the patients were receiving concomitant immunosuppressants