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Office of National Drug Control Policy, Washington, DC. – 1991
Two approaches were used to estimate the amount of illicit drugs consumed and available for consumption in the United States. Estimates of the number of drug users were multiplied by estimates of the average amount of drugs consumed. Then the supply of drugs available for consumption was examined by estimating the amount of drugs that enters the…
Descriptors: Cocaine, Cost Estimates, Drug Abuse, Heroin

Lambert, Nadine M.; Hartsough, Carolyn S. – Journal of Learning Disabilities, 1998
A longitudinal study involving 400 children, one third of whom were identified as hyperactive in 1974, investigated tobacco smoking and substance dependencies. The results found almost twice as many participants with attention deficit hyperactivity disorder smoked cigarettes daily as controls and twice as many were cocaine dependent. (CR)
Descriptors: Adults, Attention Deficit Disorders, Children, Cocaine
Bachman, Jerald G.; And Others – 1990
Research has shown a sharp drop in cocaine use among high school students and young adults since 1986. Alternative explanations for this decline were explored using questionnaire data from the Monitoring our Future project which involves annual nationwide surveys of high school seniors. Univariate and bivariate analyses examined each graduating…
Descriptors: Cocaine, Drug Abuse, Drug Education, Drug Use