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Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
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Intellectual disability (ID) is a neurodevelopmental condition characterized by deficits in intellectual and adaptive functioning that manifest during the developmental period. This condition encompasses challenges in reasoning, memory, problem-solving, and learning, accompanied by impairments in everyday life skills, such as communication, self-care, and social interactions. Intellectual disability affects approximately 1% of the population in the United States, impacting an estimated 5...
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Related Experiment Video

Updated: Jun 18, 2025

Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
05:12

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Published on: June 23, 2023

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Association Between Alcohol Consumption and Disability Accumulation in Multiple Sclerosis.

Jing Wu1, Tomas Olsson1, Jan A Hillert1

  • 1From the Institute of Environmental Medicine (J.W., L.A.); Department of Clinical Neuroscience (T.O., J.A.H., L.A., A.K.H.), Karolinska Institutet; and Centre for Occupational and Environmental Medicine (L.A.), Region Stockholm, Stockholm, Sweden.

Neurology(R) Neuroimmunology & Neuroinflammation
|August 1, 2024
PubMed
Summary

Low to moderate alcohol consumption may benefit multiple sclerosis (MS) patients, particularly those with relapsing-remitting MS. High alcohol intake showed no significant impact on disease progression or quality of life.

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Area of Science:

  • Neurology
  • Epidemiology
  • Public Health

Background:

  • Previous research suggests alcohol consumption impacts multiple sclerosis (MS) disease progression.
  • Understanding alcohol's role is crucial for managing MS and patient quality of life.

Purpose of the Study:

  • To investigate the influence of alcohol consumption habits on MS disease progression.
  • To assess the impact of alcohol intake on health-related quality of life in MS patients.

Main Methods:

  • Utilized data from 2 population-based case-control studies, categorizing patients by alcohol habits at diagnosis.
  • Followed 9,051 MS patients for up to 15 years using the Swedish MS registry.
  • Employed Cox regression models to analyze disability worsening (EDSS) and quality of life (MSIS-29) endpoints.

Main Results:

  • Low and moderate alcohol consumption correlated with reduced risk of unfavorable Expanded Disability Status Scale (EDSS) outcomes and physical worsening compared to nondrinkers.
  • These benefits were primarily observed in relapsing-remitting MS and were more pronounced in women.
  • High alcohol consumption did not significantly affect disease progression; findings suggest minimal reverse causation bias.

Conclusions:

  • Low to moderate alcohol intake is associated with more favorable outcomes in relapsing-remitting MS.
  • No significant influence of high alcohol consumption on MS disease progression or outcomes was found.