Is there something in our environment causing lung cancer. It seems that the incidence has been increasing among non-smokers.
• The percentage of lung cancer patients who never smoked increased from 8.0% to 14.9% from the years 1990–1995 to 2011–2013
• The percentage of women with lung cancer who never smoked increased from 10.2% to 22.1% from 1990 through 2013, and the percentage of men with lung cancer who never smoked increased from 6.6% to 8.9% during the same period.
These results were consistent in three hospitals in different socio-economic areas in Dallas and Nashville.
Researchers wondered if there is something in our environment that is causing this increase.
J Natl Cancer Inst 2017 Jul 109:djw295
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