Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Is Vaping Bad For You? Side Effects, Risks, Nicotine, Marijuana If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. You may not feel it now, but your lungs will. Vaping scars lungs. Smoking chokes life. Choose prevention. #LungMonth2025 Study finds cannabis vaping more harmful than nicotine vaping Curious about the difference between healthy lungs and a vaper's lungs? See how vaping impacts your lungs, and why it's best to quit early.