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biological

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ALS

ALS ALS, or amyotrophic lateral sclerosis, is a neurodegenerative disorder in which motor neurons in the central nervous system progressively break down.

ALS, or amyotrophic lateral sclerosis, is a neurodegenerative disorder in which motor neurons in the central nervous system progressively break down. This causes muscle weakness and wasting, leading to increasing difficulty starting and controlling voluntary movement.