Mouth to Lung (MTL) Vs Direct Lung (DL) Inhale Explained E Cigarette Direct Do You Inhale Vape Smoke Into Your Lungs If you vape, you inhale a lot of Despite Bans and Warnings, Missouri Teens Still Find Vaping Do You Inhale Vape the Same Way as Cigarettes? Vaping is especially harmful to individuals under the age of 25, as their brains are not yet fully developed. The chemicals found in vapes can cause problems with memory and retaining information, Disposable Vape Pens: What Are You Inhaling? Sciworthy