5 cigarettes a day really bad How Many Do You Need to Smoke to Get Cancer? Smoking One Pack of Cigarettes

Guys who sucked down 20 cigs a day had more than twice the risk of stroke as nonsmokers did

[18] Propylene glycol-containing liquids produced the most amounts of carbonyls in e-cigarette vapors, [18] while in 2014 most e-cigarettes companies began using water and glycerin instead of propylene glycol for vapor production

Morb Mortal Wkly Rep 2016;65:120511

If you are thinking about quitting smoking, try to skip the vaping route

The US Environmental Protection Agency supports the PEHSU by providing partial funding to the Agency for Toxic Substances and Diseases Registry under Inter-Agency Agreement number DW-75-95877701

E-cigarettes, including vape pens, mods, pods, and cig-a-like, have been available in the U.S