2nd hand smoking: Are you referring to second hand smoke? If so it is difficult to know exactly what the equivalent is in terms of how many cigarrette you inhaled, nonetheless, studies have shown that second hand smoke can be as harmful as directly inhaling cigarettes. This means that you may have an increased risk of lung cancer, however one cannot say you will definitely get it. Avoid it if possible.
Answered 12/7/2015
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