FAQ

Does smoking cause cancer

By PuffBye Editorial TeamLast updated Feb 2026Based on published research from CDC, WHO & NIH

Yes, smoking causes 80-90% of lung cancers and increases risk for 15+ cancer types.

Quick Answer

Yes, smoking causes 80-90% of lung cancers and increases risk for 15+ cancer types.

Detailed Explanation

Tobacco contains 70+ carcinogens affecting lungs, throat, mouth, bladder, kidney, and more.

Key Facts

  • WHO reports smoking causes 22% of all cancer deaths
  • Quitting reduces lung cancer risk by 50% within 10 years

What the Research Says

NIH confirms tobacco causes one-third of all cancer deaths

Frequently Asked Questions

What cancers does smoking cause
Lung, throat, mouth, bladder, kidney, pancreas, stomach, and others
Can quitting prevent cancer
Risk decreases significantly but some elevated risk may remain

Sources & References

The information in this article is based on publicly available research and guidance from the following authoritative health organizations:

Sources accessed February 2026

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