Amyotrophic Lateral Sclerosis (ALS), also known as Lou Gehrig's Disease, is a life threatening neurodegenerative disease. ALS occurs when specific nerve cells in the brain and spinal cord that control voluntary movement gradually degenerate. It could be a result of viral infections, Apoptosis (programmed cell death), trauma, and environmental toxins (Turner). The loss of these motor neurons causes the muscles under control to weaken and waste away leading to paralysis. ALS reveals itself in different ways depending on which muscles weaken first.
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