If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. 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 What Happens When You Swallow Vape Juice? What Happens If I Swallow Vape Juice? IndeJuice Vape Store Do You Swallow Smoke When Smoking Weed? Bellingham's Favorite Recreational Dispensary