This pollution includes cigarette smoke
Second, this was a study that utilized targeted convenience sampling, and the study participants might not be a representative sample of all e-cigarette users in the United States
Although they admitted that a threshold for nicotine addiction is a theoretical concept ..., these researchers still postulated a safe concentration of nicotine in cigarettes that would prevent addiction in new smokers
Tob Control 22:5962 Pratiwi FA, Utami TS, Arbianti R (2020) Using ultrasonic assisted extraction to produce a bioinsecticide from cigarette butt waste and green solvent to control armyworm infestation
Smoking causes an immediate and long-term rise in blood pressure and heart rate
E-cigarettes have been deemed 95% less harmful than smoking, and are recommended only as a tool for smokers to quit