The 101 on e Cigarettes Infographic American Heart Association While vaping is not risk free, it is less harmful than tobacco Our World in Data 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. Electronic Nicotine Delivery Systems (ENDS), including e cigarettes and vapes, are often perceived as a safer alternative to traditional tobacco. But is the evidence really supporting this belief? A recent umbrella review published Bio Concept fabricant d'e liquides franais et revendeur de cigarettes lectroniques Eliquid France, fabricant franais de e liquide pour vaporisateur personnel e Liquide Mania