The concern would be that, for nonsmokers and teens, e-cigs become a gateway to nicotine addiction. In addition, the long-term effects of substances found in vape liquids, like propylene glycol, are still unknown, so until we have more definitive data, caution is the watchword
For example, one featuring a pregnant woman and the slogan "The smooth taste expectant mothers crave" is actually from the BioShock video game series.
Vaping uses a device, such as an e-cigarette or vape pen, to heat a liquid called vape juice or e-liquid until it turns into an inhalable aerosol vapor
Still, can vaping cause asthma
[11] People who harvest or cultivate tobacco may experience Green Tobacco Sickness (GTS), a type of nicotine poisoning caused by skin contact with wet tobacco leaves