IQOS, Philip Morris's new heat not burn tobacco device, explained Vox As the Dangers of Vaping Emerge, Big Tobacco May Have a Plan B Fortune No electronic cigarette sign. Vape smoking tools prohibited vector icon isolated on white background 6059857 Vector Art at Vecteezy Health officials warned that vaping is not a safe alternative to smoking cigarettes, saying e cigarettes expose users to toxic chemicals and high nicotine levels that can harm the lungs and increase addiction. # Tobacco Free Campus Sign No Smoking, Vaping, Electronic Smoking E cigarette use to reduce cigarette smoking may not increase nicotine dependence Penn State Health News