While some studies suggest that vaping may expose users to fewer toxic substances than traditional smoking, evidence indicates that e-cigarette aerosols still contain harmful chemicals, including formaldehyde and ultrafine particles, which can cause airway inflammation, oxidative stress, and lung tissue damage factors that contribute to respiratory disease progression, including COPD 20
By 2021, disposables were the most popular type of e-cigarettes
In reference to the age of pregnant women smokers, the present study reveals that the percentage of pregnant women who continue to smoke is higher among younger women, which corresponds with the findings of other studies 6,7,10,11,12
Thus, the number of cigarettes in a 10-pack carton will sum up to 250 in such instances