can cigarette smoke travel through air vents

can cigarette smoke travel through air vents Roommate smokes weed and the smell lingers into the return vent and into my room. Any suggestions on what I do? I know that the return don't usually have filters How to Stop Cigarette Smoke

Name: can cigarette smoke travel through air vents Roommate smokes weed and the smell lingers into the return vent and into my room. Any suggestions on what I do? I know that the return don't usually have filters How to Stop Cigarette Smoke
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Still, a strength of this study is the inclusion of any measure of secondhand smoke exposure, which was not available for inclusion in the NHIS study and has not been examined as a potential confounder of the relationship between childhood smoking and COPD risk in prior work