The most widely-abused substance in Maryland is marijuana followed by other substances such as cocaine, heroin and club drugs. About 67 percent of individuals who were admitted for rehabilitation and treatment are males, almost 10 percent of which is aged 12 to 17. The following are some resources that may prove useful for families coping with a troubled teen: Juvenile Justice Department of Juvenile Services The Department of Juvenile Services in Maryland offers personalized treatment and care to delinquent youths. Among their services and programs include family counseling, drug abuse ...