e Cigarettes Safety Not Yet Proven CANSA The Cancer Association of South Africa CANSA The Cancer Association of South Africa Both conventional tobacco products and e cigarettes pose risks to health. E cigarette use can negatively impact the health of your brain, lungs and heart and it is linked to an increased risk of Harmful Effects of Vaping Chart Health Edco Does vaping (using e cigarettes) make a difference to our health and are there harms with second hand vaping? iHealth Facts