Clopinette : Cigarette electronique, eliquide et accessoires 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 La salle de Fitness Dinan DYK 174,000+ Louisiana youth currently use tobacco products. Research shows that most young people who vape do not know that e cigarettes contain nicotine, instead thinking it is harmless water vapor. Most adults Vaping: How popular are e cigarettes?