Related Experiment Video
Updated: Jun 4, 2026

Murine Drinking Models in the Development of Pharmacotherapies for Alcoholism: Drinking in the Dark and Two-bottle Choice
Published on: January 7, 2019
Understanding the disease of addiction
1Department of Family Medicine, Medical University of South Carolina, 295 Calhoun Street, Charleston, SC 29425, USA.
Addiction is a chronic brain disease characterized by compulsive substance use despite severe consequences. Understanding the neurobiology and genetics of addiction is crucial for differentiating it from mere drug dependency.
Area of Science:
- Neuroscience
- Genetics
- Psychiatry
Background:
- Addiction is a complex brain disease.
- Drug addiction involves compulsive substance seeking and use.
- It differs from drug dependency, which may lack addictive behaviors.
Purpose of the Study:
- To elucidate the neurobiological underpinnings of addiction.
- To explore the genetic factors contributing to drug addiction.
- To clarify the distinction between addiction and dependency.
Main Methods:
- Review of neurobiological mechanisms.
- Analysis of genetic research in addiction.
- Comparative analysis of addiction and dependency.
Main Results:
- Addiction involves significant alterations in brain circuits.
- Genetic predispositions play a role in addiction vulnerability.
- Key differences exist in behavioral manifestations between addiction and dependency.
Conclusions:
- Addiction is a treatable brain disease with biological and genetic components.
- Understanding these factors is vital for effective intervention.
- Distinguishing addiction from dependency aids in diagnosis and treatment.
Related Concept Videos
Drug Abuse and Addiction: Pharmacological Phenomena
Substance Use Disorders Affecting Sleep
Understanding the concepts of physical dependence,...
Drug Dependence
CNS Depressants: Alcohol and Nicotine
Analgesia and Pain Management
Classification of Illness
An illness is a response to a disease in which the person's level of functioning is changed compared with a previous level. The general classification of illness includes acute and chronic.
Acute illness is severe and...

