Human activity has left widespread pollution: bodies contain manmade compounds, cities are routinely covered in noxious smoke, and glaciers and Antarctic ice shelves are contaminated. Cancer diagnoses are increasing worldwide among people under 50, with lung cancer rising among nonsmokers. In Canada nearly a quarter of lung cancer patients are nonsmokers, and screenings that target smokers miss many nonsmoker cases. A 37-year-old non-smoker, Katie Hulan, received a stage 4 lung cancer diagnosis in late 2020. More nonsmoking women are developing lung cancer than men, and causes remain unclear. Radon exposure is the leading cause among nonsmokers in Canada and is expected to increase.
"For me to get a cancer diagnosis was a big shock. And then to have a lung cancer diagnosis was very puzzling for me," Katie Hulan, a 37-year-old tech worker told the news agency.
"More women will die of lung cancer than will die of breast cancer, ovarian cancer, and cervical cancer combined," Dr Rosalyn Juergens, a medical oncologist at McMaster University, told The Canadian Press.
"One in five of them will be people who have never touched a cigarette a day in their lives."
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