Critical research gaps in electronic cigarette devices and nicotine aerosols ScienceDirect CDC reports drop in teen e cigarette use, but risks remain high across the U.S. Project Reports and Data Briefs Monitoring Tobacco Product Use Most e cigarettes contain nicotine, which can affect students' learning, memory, attention, mood, and impulse control. Talk with youth about the risks of vaping: bit.ly CDCTobaccoFeatures #BacktoSchool