tobacco carcinogens list Health effects of smoking Chemicals in Cigarettes: From Plant
Description
The vegetable glycerin and propylene glycol used in e-cigarette liquid is sweet, and many products have flavoring and brightly colored, attractive packaging

its nothing that you dont already do when you smoke, other than making note of your observations

Bioresource Technology

See also Tax Justice Networks earlier report Ashes to Ashes
According to the CDC, current research regarding ENDS use and quitting smoking is uncertain

The company is supplying directly, or through its subsidiaries and affiliates the tobacco, pharmaceutical and food & beverage industry