Although the devices are considered safer than smoking, doctors continue to debate the possible impact of some of the vapours' ingredients - including propylene glycol, which irritates airways, and formaldehyde, which is known to raise lung and nasal cancer risk.
Although the devices are considered safer than smoking, doctors continue to debate the possible impact of some of the vapours' ingredients - including propylene glycol, which irritates airways, and formaldehyde, which is known to raise lung and nasal cancer risk. - See more at: http://www.ummid.com/news/2013/June/06.06.2013/italay_smokng_ban.html#sthash.Et4Bs9Cl.dpuf
Although the devices are considered safer than smoking, doctors continue to debate the possible impact of some of the vapours' ingredients - including propylene glycol, which irritates airways, and formaldehyde, which is known to raise lung and nasal cancer risk. - See more at: http://www.ummid.com/news/2013/June/06.06.2013/italay_smokng_ban.html#sthash.Et4Bs9Cl.dpuf
