Key points from article :
Vaping increases the risk of DNA mutations which could lead to cancer.
Research showed that after a 15-minute vaping session, 3 carcinogens increased measurably in the saliva.
3 chemicals build up in the mouth after vaping are formaldehyde, acrolein and methylglyoxal.
Trial participants showed signs of DNA damage caused by one of the chemicals called acrolein.
Acrolein is produced when a common vape fluid ingredient glycerol breaks down in the heat.