Since coil temperature exceeds the normal boiling temperature of the e-liquid, as power increases this regime involves different boiling processes: nucleated boiling and film boiling, eventually leading to an end point known as dry puff
In Illinois, the report estimated that 17.2 percent of all cigarettes consumed were brought into the state from elsewhere
nearly 1,500 reported smoking between one and 10 cigarettes per day
They conclude that: The levels of ionic metals and metalloids, including chromium, nickel, and antimony, increased as the number of puffs increased, whereas concentrations of ionic zinc, copper, and lead were elevated at the start, and each device had different emissions
Schwin R, Goodwin D, Hill S
The FDA has approved high-nicotine, tobacco-flavored e-cigarettes for that purpose, said April Meyers, CEO of the Smoke-Free Alternatives Trade Association