ALS
noun/ˌeɪ el ˈes/
/ˌeɪ el ˈes/
(also Lou Gehrig's disease)
[uncountable]- a disease that affects nerve cells in the spine and causes muscles to become weak and gradually stop working (the abbreviation for amyotrophic lateral sclerosis)
- He was diagnosed with ALS five years ago.
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ALS