substance abuse disorders

sub·stance a·buse dis·or·ders

a group of mental disorders in which maladaptive behavioral and biologic changes are associated with regular use of alcohol, drugs, and related substances that affect the central nervous system and result in failure to meet significant obligations in personal and social functioning.

sub·stance a·buse dis·or·ders

(sŭb'stăns ă-byūs' dis-ōr'dĕrz) A class of mental disorders in which behavioral and biologic changes are associated with regular use of alcohol, drugs, and related substances that affect the central nervous system and personal and social functioning.

sub·stance a·buse dis·or·ders

(sŭb'stăns ă-byūs' dis-ōr'dĕrz) Mental disorders in which maladaptive behavioral and biologic changes are associated with regular use of alcohol, drugs, and related (usually chemical) substances that affect the central nervous system and result in failure to meet significant obligations in personal and social functioning and in physical and psychological problems.