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Differences in lung cancer development found in smokers and non-smokers
Smoking is the primary cause of lung cancer, but lung cancer can be seen in non-smokers as well. Researchers in Portugal wanted to uncover the differences between lung cancer in smokers and non-smokers.
For the study 504 non-smokers and smokers from Portugal with non-small cell lung cancer (NSCLC) were examined. Non-smokers with lung cancer were found to be mostly “women with adenocarcinoma, with less chronic obstructive pulmonary disease (COPD), heart disease, previous cancer of the larynx and weight loss.” Non-smokers also had a longer survival rate in comparison to smokers (51 months vs. 35 months).
Dr Cátia Saraiva, lead researcher, said, “In Portugal, information on the differences in the risk and survival between smokers and non-smokers with NSCLC, has been very limited up to now. Because lung cancer represents a set of tumors with confounding and sometimes misleading symptoms in both smokers and non-smokers, we felt that it was of particular importance to acquire this knowledge. We believe that the differences we found between the two groups will help improve diagnosis, and prompt investigators to try to find out why these differences occur.”
Complete story at http://www.belmarrahealth.com/differences-in-lung-cancer-development-found-in-smokers-and-non-smokers/
