Study finds air pollution can cause lungcancer in people who never smoked
Scientists in the UK have explained latest insights into how air pollution can cause lung cancer in people who have never smoked by 'waking up' cells that carry cancer-causing mutations.
Although smoking remains the biggest risk factor for lung cancer, previous research has suggested that an estimated 10% to 25% of lung cancers worldwide occur in people who have never smoked. Air pollution has been linked to variety of health problems, including asthma, chronic obstructive pulmonary disease, heart disease, and dementia, but the mechanism for how it might cause cancer in people who have never smoked has not previously been explained.
The findings of an association of air pollution with lung cancer were not new, Prof Swanton said: "What is new is the underlying mechanism that I think proves causation."Dr William Hill, a postdoctoral researcher at the Francis Crick Institute, and the study's co-first author, said the results raised the prospect of finding preventative treatment.
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