It’s a delivering system of addictive certain addictive products like nicotine, cannabis (THC, CBD), flavorings, chemicals, and other substance.
E-cigarette comes in various shapes and sizes. It works by heating liquid to aerosol, then the aerosol in inhaled by the individual. The liquid typically contains a mixture of water, food grade flavoring, a choice of nicotine levels, cannabis (THC, CBD), propylene glycol (PG) or vegetable glycerin (VG), certain heavy metals and carcinogens (chemicals known to cause cancer, including acetaldehyde and formaldehyde) are also preset. PG and VG are humectants used in e-liquid to produce aerosols that simulate combustible tobacco cigarette smoke.
DEVICES
Over the course of many years, e- cigarette have evolved into new shapes and slight modification in the aerosol producing method.
1st generation Disposable e-cigarettes, sometime refer to as cigalikes.
2nd generation E-cigarettes with prefilled or refillable cartridge
3rd generation Tanks or Mods (refillable)
4th generation Pod Mods (prefilled or refillable)
Despite of variations and modifications, the harmful effect with the use e- cigarette are still there. CDC is still working on gathering more data on the impact on health with the usage of these devices.