Do you know what's in a vape? Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs. Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America While e cigarettes, or vapes, may contain fewer chemicals than regular cigarettes, they are still NOT safe. E cigarettes contain harmful chemicals. 99% of e cigarettes contain nicotine, making them highly addictive. Visit https: t.co 1y8cZxtgFQ to How E Cigarettes Affect Your Body