The Smoking Alternative, unlike any E Cigarette or Vape JUUL Does Vaping Cause Oral Cancer? Portland Perio Implant Center 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 vaping is not risk free, it is less harmful than tobacco Our World in Data Vaping vs. smoking: what are the risks? Pacific Life Re FDA warns Juul, says it marketed vapes as less harmful than regular cigarettes without agency authorization The Washington Post