Are Vaping Products Toxic? Illinois Poison Center Vape Tongue: One of the Many Side Effects of e Cigarettes Pinnacle ENT Associates Even if you dont inhale while vape smoking, your mouth, throat, and lips are exposed to harmful chemicals, as is your oesophagus when you swallow saliva that contains the chemicals. , There is a 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