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Motor neurone disease
Motor neurone disease (MND), also known as amyotrophic lateral sclerosis (ALS) in some regions, is a progressive and incurable neurological condition that affects the nerve cells (motor neurons) in the brain and spinal cord. These motor neurons control voluntary muscle movements, such as walking, speaking, swallowing, and breathing. As the disease progresses, the motor neurons degenerate and die, leading to muscle weakness, paralysis, and ultimately, respiratory failure. MND encompasses several related conditions, including ALS, primary lateral sclerosis (PLS), progressive bulbar palsy (PBP), and progressive muscular atrophy (PMA).