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The Neurobiology of Alcoholism and the Disease Model

Scientific backing behind alcoholism as a progressive medical condition involving brain chemistry.

Key Takeaways & Summary

  • Alcoholism causes long-term neurochemical changes in the GABA and glutamate pathways.
  • Genetics account for roughly 40-60% of an individual's risk for alcohol dependency.
  • Viewed as a treatable medical disease requiring professional medical intervention.

Neurotransmitters and Dependency

Chronic alcohol exposure alters the balance of GABA (inhibitory) and glutamate (excitatory) neurotransmitters in the brain. Over time, the brain requires alcohol to function, transforming drinking from a voluntary choice into a biological necessity.

Scientific References

  1. National Institute on Alcohol Abuse and Alcoholism (NIAAA) - Genetics of Alcoholism (2022)

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