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A member asked:
Doctors, how much/long do you have to smoke to get lung cancer?
6 doctors weighed in across 3 answers
How long? : No one knows. Some people smoke a life time . Other get cancer earlier on.
Answered 5/17/2013
5.2k views
Unclear: Variable do not start! not worth proving we count packs per day times years as a bad thing!
Answered 4/30/2013
5.2k views
Not a lot: 15% of smokers (>100 total cigarettes in a lifetime) develop lung cancer. If you smoke 4 cigarettes per day, that is >1200 cigarettes a year! 80% of all lung cancer is caused by smoking. Both direct and secondhand smoking of tobacco (and marijuana) are unsafe. Additionally, numerous other diseases and cancers are related to smoking. Don't smoke and markedly increase your odds.
Answered 12/10/2013
5.2k views
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