What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Vaping has become common, but it's important to know what you're inhaling. Many e cigarettes contain nicotine, heavy metals like nickel and lead, and chemicals that can harm your lungs and overall health. Base 125ml VDLV, Base E liquide DIY VDLV Taklope Vaping vs Cigarettes Health Impacts Compared E liquide Vincent dans les Vapes (VDLV) Ecigplanete Vaping isn't just vapor. It's an aerosol filled with nicotine and chemicals that go deep into your lungs and straight into your bloodstream. Many vapes contain: Highly addictive nicotine