Is Vaping Bad for Your Mouth? Vapes may leave a sweet taste in your mouth, but they're also filling your lungs with toxic chemicals. These chemicals can permanently scar your lungs and cause breathing difficulties in the Did you know that just one drop of vape liquid is equivalent to smoking 15 sticks of cigarettes, which can be more harmful to the body? To know more about the other Does vaping cause mouth ulcers?; The Surprising Connection You Need to Mister Vape Vaping, Smoking, & the Health of Your Mouth Toothbody