Nicotine use in teens linked to higher depression and anxiety rates, especially with vaping and smoking combined. A large study of over 60,000 U.S. middle and high school students found that teens Regulating the Tobacco and Nicotine Market in the American Public Interest: A Reform Agenda for the FDA American Enterprise Institute AEI An updated overview of e cigarette impact on human health Respiratory Research Springer Nature Link Regulating the Tobacco and Nicotine Market in the American Public Interest: A Reform Agenda for the FDA American Enterprise Institute AEI Joyetech eRoll Slim Black Electronic nicotine delivery systems (ENDS): A convenient means of smoking? ScienceDirect