What you should know about vapes and e cigarettes 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 Safety Not Yet Proven CANSA The Cancer Association of South Africa CANSA The Cancer Association of South Africa Vapes '95% safer' than cigarettes messaging backfired Electronic cigarette use increasing among Airmen > Hill Air Force Base > Article Display