first, what's the sauce for that article?
>Bruce Willis has "degenerative" condition
Aphasia is a brain condition but not necessarily degenerative, depends on the cause:
Aphasia is a condition where a person finds that they have slight or serious difficulty with either their language or their speech. It is most frequently caused by some type of damage to the left-hand side of the brain.
https://simplyhealth.today/14-possible-causes-of-aphasia/?utm_source=%2Baphasia&utm_medium=14PossibleCausesofAphasia&utm_campaign=adw_us&msclkid=7c1533efebae1866d5b251ab79dbf0c9
i'll betcha aphasia can be degenerative after shitshot. another "rare" neurological effect.