does tar in cigarettes cause cancer Why Smoking ANYTHING Can Lung What Is Tar in Cigarettes
What Is Tar in Cigarettes and How Does It Affect Health? What Happens When You Smoke? Cigarettes contain nicotine, tar, and carbon monoxide. Short term effects: Increased heart rate Higher blood pressure Reduced oxygen Long term effects: Lung cancer How smoking puts tar into your lungs and damages them Cancers linked to tobacco use make up 40% of all cancers diagnosed in the United States CDC Online Newsroom CDC Smoking & Lung Cancer: How Cigarettes Damage Your Lungs 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
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