There are many reasons youth might vape. The effects of nicotine, E cigarette marketing and advertising, the availability of appealing flavors, and social influences all play a role in why youth start and or Vaping and e cigarette use is a troubling trend Fort Plain Central School District Vaping is NOT Harmless. Know the long term effects before it's too late! Most e cigarette liquids contain high levels of nicotine, which is highly addictive. Despite the legal age being 21, vaping devices e Cigarettes Affect Oral Health and Ways to Minimise the Side Effects