does tar in cigarettes cause cancer release toxic chemicals like carbon monoxide and lead The harmful chemicals in smoking
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 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 Busting 8 Common Myths About Smoking and Cancer Cigarette Tar PMI Science TAR, NICOTINE AND THE PROBLEM WITH COMBUSTION The Star Understanding the Health Dangers of Tar and Nicotine
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