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Nicotine does not have a direct impact on your lungs. Rather it has an additive effect when combined with the other substances where nicotine is most found to enter the human body, from cigarette smoke, that has many negative effects on the lungs. Cigarette smoke acts as a carcinogen (cancer causing agent) and causes the buildup of tar in the lungs both of which can lead to health problems obviously. In addition it is very addictive which means you will crave the source of nicotine... more cigarettes.

Nicotine can temporarily increase blood pressure which may add some stress to your lungs, and although not a direct cause of cancer will delay apoptosis (programmed cell death) often speeding tumor growth.

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14y ago

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