Aggressive lung cancer is increasing among people who do not smoke, new research shows. The lung cancer that affects nonsmokers may be rooted in genetic and environmental factors and it is typically caught at a more advanced stage. (WebMD)

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Madlin Mekelburg was a reporting fellow for the Tribune in 2015 and 2016. She is a graduate of the University of Texas at Austin, where she studied journalism and French. Madlin previously worked at the...