toxic substances in cigarettes All E-Cigarettes Emit Harmful Chemicals, but Some Emit More Than Others Contents of cigarettes – Pro

Reports suggest that exposure to e-liquid aerosol causes rapid impairment in endothelial-dependent vascular dilation in rats, regardless of specific e-cigarette type or nicotine content [109, 110]

Other studies found that inhaling heated tobacco vapor through e-cigarettes was linked to increased odds of asthma and chronic obstructive pulmonary disease (COPD), conditions historically tied to smoking traditional cigarettes

In the combustible cigarette (Kentucky reference 1R6F), levels were from 0.131 to 168 g puff 1

These provide nicotine to ease withdrawal symptoms and help smokers quit cigarettes, which are much more dangerous.