Question by : Does the lung cancer occur because of a large amount of second hand smoke of one year?
In the case of Squamous cell lung cancer.
Answer by Wonder Wheel
there’s not even DEFINITIVE proof that DIRECT smoking causes lung cancer let alone second hand smoke. especially over such a short period. Fact is, people that NEVER smoked in their lives or were even around secondhand smoke also get lung cancer. It is thought that smoking increases the risk but that’s all there is to it. I’m sure your fine. if your experiencing obvious symptoms, see a doctor.
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