Are E Cigarettes Less Harmful? Louisvile KY UofL Health Vaping releases toxic chemicals, including heavy metals, as well as ultrafine particles that go deep into the lungs. These increase the risk of heart and lung disorders. 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 Which is more harmful: e Cigarettes or regular cigarettes? Many people turn to vaping, thinking it's a safer alternative to smoking. However, this belief is misleading and potentially harmful. This #NationalLungMonth, let us acknowledge that vaping is not risk free and can 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.