Scripps Health E cigarettes remain the most commonly used tobacco product among middle and high school students in the United States, according to the Instagram Nicotine Free Vape: Is It That Much Safer? Infinite Recovery Think twice before you puff! Vape products without nicotine can mimic lung injury effects, inducing oxidative stress and inflammation. Protect your lungs. Choose wisely! #NotoVaping #SmokeFree #SmokeFreePH #vapingawarness Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center