其實好低,一定低過傳統燒煙
Proper studies show that the average exposure to formaldehyde is around 1microgram per day and that vaping exposes the e-cigarette user to an additional 0.08micrograms. This is drastically lower than the exposure to formaldehyde from smoking which is between 3.4 micrograms to 8.8 micrograms/cigarette.