How to properly inhale vape? UPENDS 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 ACT Not only is vape smoke full of harmful chemicals, if vape liquids with nicotine in them are swallowed, it can cause death. If someone you know has swallowed vape liquid Health Effects Lung Saskatchewan Do You Swallow Smoke When Smoking Weed? Bellingham's Favorite Recreational Dispensary If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs.