The National Institute on Drug Abuse (NIDA) released its revised 2012 survey, "Monitoring the Future," which questioned 46,733 students in the 8th, 10th and 12th grades about their drug use.
For the first time, the survey also includes "bath salts," a type of designer drug with amphetamine-like effects.
Nora Volkow, NIDA Director, led the press conference.
Other speakers include: Howard K. Koh, Assistant Secretary for Health U.S. Department of Health and Human Services; R. Gil Kerlikowske Director, Office of National Drug Control Policy; Lloyd D. Johnston, Principal Investigator, Institute for Social Research, University of Michigan; and Chris Leibowitz, young adult in recovery from drug addiction.