Juul can continue selling e cigarettes as FDA says vaping benefits outweigh risks PBS News E cigarettes contain hazardous substances, addictive and harmful E cigarettes and vape devices come in a number of forms. While some resemble tobacco products, others resemble household objects like USB devices, pens, highlighters and chargers. Some devices are re chargeable and other E cigarette use poses a significant and avoidable health risk to youth and young adults. Besides increasing the possibility of addiction and long term harm to brain development and respiratory health, e cigarette