What disease does stephen hawking have?

Balo concentric sclerosis
49
Multiple Sclerosis MS
169
Creutzfeldt-Jakob disease CJD
81
Lou Gehrig's disease ALS
109
Hawking has a rare early-onset, slow-progressing form of amyotrophic lateral sclerosis (ALS) that has gradually paralysed him over the decades. He now communicates using a single cheek muscle attached to a speech-generating device.
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Tschuka
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