substance abuse

Definitions

Law

  • noun the practice of drinking too much alcohol or using illegal drugs or other substances

Medical

  • noun the misuse or excessive use of drugs, alcohol or other substances for pleasure or to satisfy addiction, which often causes health, emotional or social problems for the user

Sports

  • noun the excessive consumption or misuse of a substance, especially drugs or alcohol, for the sake of its non-therapeutic effects on the mind or body
http://www.dictionarycentral.com/definition/substance-abuse.html