If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. Nicotine absorption from electronic cigarette use: comparison between first and new generation devices Scientific Reports What Happens if You Swallow Vape Juice? EDGE Vaping Earth Day check: Your vape isn't just hitting your lungs it's hitting the planet too. We talk a lot about what vaping does to your body. But here's what's getting more attention