alt Hacker News> Firstly it’s not curing anything, it’s yielding some improvement
It did cure some people, it yielded some improvements on average but it did yield extreme improvements in some people. That part isn't controversial.
> (and even if it were noticed: periods of lucidity are not rare. It would probably be ignored)
A year of being able to walk and talk normally when a patient could barely function at all would be noticed for sure.
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It would indicate that there is a circulatory issue in general that causes this. If so, there may be other blockages as well, at various other lymph nodes that connect to the brain, which would explain why it works better for some and not others. If you have multiple blockages this may only offer partial relief. As for what causes the blockages, my suspicion would be microplastics.
Cure means permanent. If the extreme improvements are temporary (yet to be seen) its not a cure.
> It did cure some people
Cure has a very specific definition. I don't think it applies here.