Turns out the disposable nicotine delivery systems are, as suspected, worse than the real thing, according to a new study from researchers at UC Davis.
To help put things in perspective, the researchers compared the health risks of disposable e-cigarettes to other types of smoking, and found that Esco Bar devices released more lead during a day’s use than 19 packs of traditional cigarettes.
This is salt based liquid though
And? The metals come from the metal components of the vaporizer itself.