Middle-class Americans who abuse substances are far more likely to use alcohol than heroin or cocaine.

All had a history of abusing cocaine as well as other substances.

According to Rooks, the cure was successful and he never abused substances again.

Caitie was one of approximately 2-3 million students who abuse substances.

It has a house full of characters who abuse various substances.

Teens who abuse substances have difficulty in school and may even drop out.

Also, teens who abuse substances are at risk for being involved in homicides or committing suicide.

She also admits to a history of abusing other substances, including cocaine.

Kristin, her daughter, has been in treatment for abusing cough medicine and other substances since December 2008.

They tend to abuse substances which will relieve them of the responsibilities.