Do You Swallow The Smoke From Vape What Happens When You Swallow Vape Juice? Vaporizer medicine: Dangerous to swallow Poison Control Does Vaping Cause Oral Cancer THANC Guide Extreme difficulty breathing and swallowing linked to teen's vaping? Children's National Are Vaping Products Toxic? Illinois Poison Center Vaping is not harmless. A new study from Johns Hopkins Medicine reveals that e cigarettes significantly increase the risk of COPD and high blood pressure. Our own Dr. Todd Hoopman shares firsthand accounts