Do they have proof that smoking actually CAUSES lung cancer?

Question by mary :]: Do they have proof that smoking actually CAUSES lung cancer?
I know it has proven to increase risks, but do they know if it causes lung cancer? I will vote for best answer if you need more points and have an intellegent answer. =] Just let me know. Thanks and happy holidays!

Best answer:

Answer by Darktania
It’s not 100% positive you’ll catch cancer from smoking but it increases your risk at an alarming rate. Tobacco is a carcinogen. And it not only gives you Lung Cancer but also Esophageal cancer, Bladder Cancer, etc…..

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