A chronic disease characterized by the continued use of a drug regardless of its harmful consequences is addiction.
Addiction is a chronic illness marked by compulsive, or uncontrollable, drug or alcohol seeking and use despite negative effects and potentially long-lasting alterations in the brain. The negative behaviours exhibited by drug or alcohol users may result from these changes in the brain. Addiction is a relapsing illness as well. Relapse is the act of using again after making an effort to stop. The brain regions responsible for motivation, learning, and behaviour regulation are all impacted by addiction.
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