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… (ALS) is a gradual wasting away of nerve cells (motor neurons) in the brain and spinal cord. These nerve cells … pain. ALS is also known as Lou Gehrig's disease or motor neuron disease. What causes it? Doctors don't know what … both arms and both legs. This happens because as the motor neurons slowly die, they stop sending signals to the …
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… Your baby is born with around 100 billion brain cells (neurons). These cells form connections with each other … Your baby is born with around 100 billion brain cells (neurons). These cells form connections with each other …
Health topics
… Policy . Learn how we develop our content . Media gallery Neuron … What is Guillain-Barré syndrome? …
