What happens if you swallow the vape smoke? Thirdhand Smoke Resource Center Protecting Californians How to Properly Store E Liquids and Prevent Accidental Exposure of E Liquids to Children FDA US Investigates Seizure Risk With Electronic Cigarettes What to Do If Vape Juice Gets in Your Mouth Safety Tips The vape pen cut an artery in his neck and stopped blood flow to his brain, the Tarrant County Medical Examiner says.