In the study, researchers found that all of the vape juice flavorings tested can impair blood vessel function—an early indicator of heart damage. Well, shit. Which vape juice flavors are dangerous?

The problem is, the vape juice appears to be handicapping immune cells in the lungs. That’s what Kheradmand found in her lab mice. “Their immune cells were … not working well,” she said. “Even a very ...

And as great as all the wild, weird flavors of e-liquid can be, new research suggests that some common chemicals used to flavor vape juice could cause harm to people’s blood vessels.