Vaping Possible Negative Effects on Lungs: State of the Art From Lung Capacity Alteration to Cancer Cureus If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. 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, Mouth to Lung vs Direct to Lung Vaping: What's the Difference? RBV Red Box Vape How to Do a French Inhale (Irish Waterfall): 3 Simple Steps