2 doctors weighed in:

How does smoking cigarettes cause some cancers?

2 doctors weighed in
Dr. Andrew Turrisi
Radiation Oncology
1 doctor agrees

In brief: Tobacco

When burned produces a number of arylhydrocarbons, and other carcinogens that directly attack human dna leading to mutations.
Some are repaired, others propagate over time, mean time, nicotine addicts. The more exposure, probabilistic risk increases for cancer, cardiovascular and lung disease. Evidence is overwhelming indisputable..

In brief: Tobacco

When burned produces a number of arylhydrocarbons, and other carcinogens that directly attack human dna leading to mutations.
Some are repaired, others propagate over time, mean time, nicotine addicts. The more exposure, probabilistic risk increases for cancer, cardiovascular and lung disease. Evidence is overwhelming indisputable..
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