1 doctor weighed in:

Can you let me know how many times do we have to inhale second hand smoke to equal one cigarette?

1 doctor weighed in
Dr. Ronald Krauser
Internal Medicine - Rheumatology

In brief: It depends

It depends on the degree of exposure.
If multiple people are smoking in a small room, the second smoke exposure will be significantly greater than a single person smoking in a large, well ventilated room.

In brief: It depends

It depends on the degree of exposure.
If multiple people are smoking in a small room, the second smoke exposure will be significantly greater than a single person smoking in a large, well ventilated room.
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