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Updated: May 20, 2025

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Military Service Roles and ALS Among Veterans: A Matched Case-Control Study.

Asaf Honig1,2, Roy Dayan3, Amir Knaani4,5

  • 1Department of Neurology, Soroka Medical Center, Beer-Sheva, Israel.

Annals of Clinical and Translational Neurology
|May 19, 2025
PubMed
Summary
This summary is machine-generated.

Combat military service significantly increases the risk of developing amyotrophic lateral sclerosis (ALS). This study found a strong association between combat roles and ALS in veterans, highlighting a key risk factor.

Keywords:
amyotrophic lateral sclerosis (ALS)exercisemilitary servicemotor neuron disease (MND)veterans

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Area of Science:

  • Neurology
  • Epidemiology
  • Military Medicine

Background:

  • Military service is a known risk factor for amyotrophic lateral sclerosis (ALS).
  • The specific role of combat exposure in ALS risk among veterans remains under investigation.

Purpose of the Study:

  • To investigate the association between combat service and the risk of developing ALS.
  • To determine if combat exposure, rather than general military service, is linked to ALS.

Main Methods:

  • A matched case-control study was conducted.
  • 191 Israeli Defense Forces (IDF) veterans with ALS were compared to 1910 matched controls.
  • Military service types, including combat roles and parachuting, were analyzed.

Main Results:

  • ALS patients had significantly higher rates of combat service (46.0%) compared to controls (22.7%).
  • Parachuting rates were also higher in the ALS group (10.5% vs. 1.1%).
  • Combat service was independently associated with an increased risk of ALS (OR 2.49, CI [1.49-4.16]).

Conclusions:

  • Combat service is a significant risk factor for amyotrophic lateral sclerosis (ALS) in military veterans.
  • Findings suggest that combat exposure may contribute to ALS development.
  • This research deepens the understanding of military-related ALS risk factors.