A member asked:

My parents smoked in the house until i was 7 years old. i'm not 27. am i at risk of lung cancer because of this exposure?

4 doctors weighed in across 3 answers

Risk of lung cancer: Yes but minimally so unless you personally smoke or personally have exposure to either asbestos or radon.

Answered 2/8/2015

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Second hand: Smoke exposure is a risk for lung cancer, but when you calculate how much time you and parents were in home and car together, you may have slight increase risk, but not enough to do anything different other than obviously not smoke yourself.

Answered 2/8/2015

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No.: After approximately three months of not being exposed to primary or secondary smoke, your risk becomes the same as a non-smoker.

Answered 10/4/2016

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