propylene glycol in electronic cigarettes – Safety and health risks

Todays modern e-cigarette cartrdiges or e-liquids are is composed of primary propylene glycol. General at 80% and in some brands as high as 92%. This is how e-cigs get the vapor that looks like cigarette smoke when exhaled from the lungs. PG for short, is practically odorless, colorless and has  a syrup like density that comes from a natural gas. It is very common and is found in many products around your home. There are a lot of websites out there promoting natural...

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