Infographic: Dangers of E cigarettes & Toxicity UPMC HealthBeat Compare E Cigarette and Vape Starter Kits SMOKO E Cigarettes Some reports state that these new, flavored smoking devices are less harmful than tobacco cigarettes but how safe is vaping? In this third part of a four part series, China Daily examines the 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. E Cigarettes vs. Vaporizers: What's the Difference? Key Differences Behind the Vape