Among them are: carcinogens, such as acetaldehyde and formaldehyde acrolein, a weed killer that can lead to irreversible lung damage benzene, a compound in car exhaust diacetyl, a chemical linked to bronchiolitis, which is a health condition sometimes called popcorn lung propylene glycol, used in antifreeze hazardous metals, such as lead and cadmium other minute particles that can enter the lungs Many of these are also in traditional cigarettes
Some last things to remember: The gas cartridges can get saturated so they need to be changed regularly and they also absorb gases when youre not wearing them, so be sure to check with the manufacturers recommendations on these two items (see Additional Resources)
It was just a matter of time
Some heavy smokers may take quicker and more intense draws, while some casual smokers may take slower and longer draws
Some smokers notice improvements after just 6-12 months