Newswise — On an average day, 881,684 teenagers aged 12 to 17 smoked cigarettes, according to a report by the Substance Abuse and Mental Health Services Administration (SAMHSA). The report also says that on an average day 646,707 adolescents smoked marijuana and 457,672 drank alcohol.

To provide some perspective, the number of adolescents using marijuana on an average day could almost fill the Indianapolis Speedway (seating capacity 250,000 seats) two and a half times.

"This data about adolescents sheds new light on how deeply substance use pervades the lives of many young people and their families," said SAMHSA Administrator Pamela S. Hyde. “While other studies indicate that significant progress has been made in lowering the levels of some forms of substance use among adolescents in the past decade, this report shows that far too many young people are still at risk."

The report, which highlights the substance abuse behavior and addiction treatment activities that occur among adolescents on an average day, draws on a variety of SAMHSA data sets.

The report also sheds light on how many adolescents aged 12 to 17 used illegal substances for the first time. On an average day:

7,639 drank alcohol for the first time; 4,594 used an illicit drug for the first time; 4,000 adolescents used marijuana for the first time; 3,701 smoked cigarettes for the first time; and 2,151 misused prescription pain relievers for the first time.

Using data from SAMHSA Treatment Episode Data Set (TEDS), the report also analyzes how many adolescents aged 12 to 17 were receiving treatment for a substance abuse problem during an average day. These numbers included:

Over 71,000 in outpatient treatment, More than 9,302 in non-hospital residential treatment, and Over 1,258 in hospital inpatient treatment.

In terms of hospital emergency department visits involving adolescents aged 12 to 17, on an average day marijuana is involved in 165 visits, alcohol is involved in 187 visits, and misuse of prescription or nonprescription pain relievers is implicated in 74 visits.

SAMHSA's National Helpline is a confidential, free, 24 hour-a-day, 365 day-a-year, information service that people – including adolescents and their family members – can contact when facing substance abuse and mental health issues. This service provides referrals to local treatment facilities, support groups, and community-based organizations. Callers can also order free publications and other information in print on substance abuse and mental health issues. Call 1-800-662-HELP (4357) or visit the online treatment locators at http://findtreatment.samhsa.gov/.

The complete report contains many other facts about the scope and nature of adolescent substance abuse, treatment and treatment admissions patterns and is available at: http://www.samhsa.gov/data/2K13/CBHSQ128/sr128-typical-day-adolescents-2013.pdf. It was drawn from analyses of SAMHSA's National Survey on Drug Use and Health, Treatment Episode Data Set, and National Survey of Substance Abuse Treatment Services, and Drug Abuse Warning Network.

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The Substance Abuse and Mental Health Services Administration (SAMHSA) is the agency within the U.S. Department of Health and Human Services that leads public health efforts to advance the behavioral health of the nation. SAMHSA’s mission is to reduce the impact of substance abuse and mental illness on America’s communities.