In 2005, the number of stimulants related emergency room visits by 18 to 34 year old people in the United States was 5,600.
In 2011, the number of ER visits increased to 23,000, according to the Substance Abuse and Mental Health Services Administration.
In one-third of the cases, alcohol was also involved.
The stimulants involved in these incidents were prescription drugs such as Adderall and Ritalin.
Source: Sabrina Tavernise, “New Sign of Stimulants’ Toll on Young,” New York Times, August 8, 2013.