Dependence refers to a state in which an individual relies on a substance or behavior to function normally, and experiences withdrawal symptoms when the substance or behavior is removed. It involves physical and psychological reliance.
Related terms
Tolerance: Tolerance refers to the body's reduced response to a substance over time, requiring higher doses for the same effect.
Withdrawal: Withdrawal is the set of physical and psychological symptoms that occur when a person stops using or engaging in something they are dependent on.
Substance Use Disorder: Substance use disorder refers to a condition characterized by compulsive drug seeking and use, despite negative consequences.