does tar in cigarettes cause cancer The harmful chemicals smoking directly damage lung cells, causing DNA mutations that increase risk. Over time, these damaged cells grow abnormally, leading to tumor formation in the lungs. Quitting smoking How Do Cigarettes Cause Cancer?
How Do Cigarettes Cause Cancer? Memorial Sloan Kettering Cancer Center Understanding the Health Dangers of Tar and Nicotine Busting 8 Common Myths About Smoking and Cancer People ignorant of cancers caused by smoking An illustration depicting cigarettes and a pair of lungs affected by smoking. A number of respiratory disorders are causally linked to smoking, including asthma, chronic obstructive pulmonary disease, laryngeal cancer, lung cancer
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