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. Health Effects Vaping Information, Solutions & Interventions Toolkit Stanford Medicine Is Vaping Harmful? Side Effects, Health Risks, & Care While vaping is not risk free, it is less harmful than tobacco Our World in Data Lequel est meilleur : Vuse ou IQOS Tabac chauff sans combustion VS cigarettes lectroniques comparaison