smoking cigarettes cause lung cancer Risk Factors and Prevention – cCARE According to the American Cancer

According to the American Cancer Society (ACS), smoking is the leading cause of lung canceraccounting for about 80% of lung cancer deaths in the U.S. Exposure to secondhand smoke, radon, and certain Smoking is the most preventable cause of cancer Eurolab The harmful chemicals in smoking directly damage lung cells, causing DNA mutations that increase cancer risk. Over time, these damaged cells grow abnormally, leading to tumor formation in the lungs. Quitting smoking How Smoking Affects Average Age for Lung Cancer Diagnosis MyLungCancerTeam Smoking is the major cause of COPD and lung cancer. Oxidants in Download Scientific Diagram

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