First and foremost regular cigarettes produces many carcinogens, , including formaldehyde, acetaldehyde, and acetone. These three chemicals were tested in the study to see what levels are released when electronic cigarettes are used. The study E-Juice that was purchased at the store (not a custom blend) and was a 50PG/50VG ratio. 100% VG and 100% PG was used as the control groups.

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