What if switching to vaping limited the health risks? Is it a good idea to vape during pregnancy or when you have asthma? In collaboration with CAMH (@camhnews), this is our third E cigarette taxation, pre pregnancy and pre natal smoking, and birth outcomes CEPR Impact of electronic nicotine delivery systems (ENDS) on fetal outcomes: A systematic review and meta analysis Is Vaping Safer than Smoking? New Directions for Women