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is smoking e cigarettes bad for you While vaping not risk-free, it is less harmful than tobacco Why Vaping is So BAD
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It may even make you feel sick

United States Department of Health, Education and Welfare

Health Education Research

Estimation and correlation of cigarette smoke exposure in Canadian smokers as determined by filter analysis and biomarkers of exposure
Here are some of the ways smoking impacts your blood: Reduced oxygen levels: Cigarette smoke contains carbon monoxide, which binds to hemoglobin in your red blood cells and reduces their capacity to carry oxygen