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David this is excellent! Thank you for breaking this down. It seems that purported dementia fixes and promises are really prone to this sort of cherry picking sliced and diced data. The makers of Prevagen did just this - and still make hundreds of millions of dollars on data manipulation.

In case a future reader of this article is searching for dementia truths, and might be tempted to buy Prevagen along with an expensive new sauna, this would be my similar caveat emptor : https://mccormickmd.substack.com/p/does-prevagen-really-work-for-memory

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