The new dangers of vaping What Doctors Don't Tell You E cigarettes may emit harmful substances, raising safety concerns We break down the key differences between traditional cigarettes and e cigarettescovering: 1 Their compositions and ingredients. 2 The health risks associated with both. 3 Nicotine levels and addiction potential. 4 The impact Vaping harms your health Cancer Institute NSW 5 Vaping Facts You Need to Know Johns Hopkins Medicine 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