Vape vs Cigarettes which one is actually safer? Many people think vaping is harmless and cigarettes are the only real danger. But the truth is both can slowly damage your lungs How to Inhale a Vape Properly: MTL, DTL & RDL Vaping delivers heated chemicals directly into the lungs. Unlike air, vape aerosols contain fine particles, nicotine, heavy metals, and flavoring compounds that were never designed to be inhaled. Once inside the chest, MTL vs DTL: Which Vaping Style Matches Your Needs?