“Many of these chemicals have never been tested on whether they’re safe to breathe in. And that makes vaping’s already unclear effects on health even murkier, because different flavors could be more or less dangerous.” From The Atlantic: Some E-Cigarette Flavors May Be More Harmful Than Others. “It’s difficult for researchers to uncover what even goes into different vape juices.” (What’s easier to uncover is the effort by e-cigarette makers to use many fruity flavors to target kids in an effort to create a new generation of smokers…)