Is propylene glycol banned in Europe? E cigarettes are not a healthier alternative to cigarettes. They contain nicotine and many harmful ingredients that can cause cancer and heart disease. Since these products are relatively new, we don't know all Vape Juice Ingredients: What's Inside Your E Liquid? VITAE Glass Dangers of Vaping What's In Your Vape? Vaping Facts Vape Awareness Nimco 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 Predicting the pulmonary effects of long term e cigarette use: are the clouds clearing? European Respiratory Society