<unk>  has a wide range of definitions related to taking a psychoactive<unk>  or performance enhancing<unk>  for a non-therapeutic or non-medical effect. Some of the most commonly abused<unk> s include alcohol, amphetamines, barbiturates, benzodiazepines, cocaine, methaqualone, and opium alkaloids. Use of these<unk> s may lead to criminal penalty in addition to possible physical, social, and psychological harm, both strongly depending on local jurisdiction.  Other definitions of<unk>  fall into four main categories: public health definitions, mass communication and vernacular usage, medical definitions, and political and criminal justice definitions.
Drug abuse
Drug use
Substance abuse
Psychological abuse
Child abuse
Child sexual abuse
Vitamin A deficiency
Sexual violence