All E Cigarettes Emit Harmful Chemicals, but Some Emit More Than Others Berkeley Lab Berkeley Lab News Center Testing has revealed what we already knew illegal vapes are filled with dangerous levels of addictive nicotine and laced with chemicals including formaldehyde and antifreeze components. E cigarette aerosol isn't just water vaporit contains toxic chemicals like formaldehyde and acrolein (yes, a weed killer!). Vaping can lead to lung disease, Popcorn Lung, and even a collapsed lung. Plus, secondhand formaldehyde? was that always in our ejuice ,or was it just added ? : r Vaping Vaping HC DrugFree Does Vaping Harm Eyesight: Effects of E Cigarettes on Vision La Jolla, CA Del Mar, CA GW Eye Associates