Nebraska Revised Statutes Chapter 71. Public Health and Welfare § 71-913. Substance dependent, defined

Substance dependent means having a behavioral disorder that involves a maladaptive pattern of repeated use of controlled substances, illegal drugs, or alcohol, usually resulting in increased tolerance, withdrawal, and compulsive using behavior and including a cluster of cognitive, behavioral, and physiological symptoms involving the continued use of such substances despite significant adverse effects resulting from such use.