1 doctor weighed in:

Will secondhand smoke leave your lungs after you exhale?

1 doctor weighed in
Dr. Gurmukh Singh
Pathology

In brief: Eventually

Repeated breaths progressively dilute out the seond hand smoke, after cessation of exposure.
Note that more than 10, 000 people die each year, in the us, from second-had smoke, so it is best to avoid it.

In brief: Eventually

Repeated breaths progressively dilute out the seond hand smoke, after cessation of exposure.
Note that more than 10, 000 people die each year, in the us, from second-had smoke, so it is best to avoid it.
Dr. Gurmukh Singh
Dr. Gurmukh Singh
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