Vapozen vapeshop CBDshop ustaritz Ustaritz Expanding the genetic architecture of nicotine dependence and its shared genetics with multiple traits Nature Communications 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 Electronic cigarette use intensity measurement challenges and regulatory implications Tobacco Control Tobacco Nicotine Rutgers Addiction Research Center (RARC) E CIGARETTES