This reminds of of a paper a read a couple years ago. https://mdedge-files-live.s3.us-east-2.amazonaws.com/files/s3fs-public/issues/articles/content_74_Suppl_1

This reminds of of a paper a read a couple years ago. https://mdedge-files-live.s3.us-east-2.amazonaws.com/files/s3fs-public/issues/articles/content_74_Suppl_1_SI-128.pdf https://mdedge-files-live.s3.us-east-2.amazonaws.com/files/s... There's also some recent papers on how the glymphatic system differs in people with iNPH https://academic.oup.com/brain/article/140/10/2691/4085293 https://academic.oup.com/brain/article/140/10/2691/4085293 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6124518/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6124518/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6609364/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6609364/ I suspect some of what we see as singular disorders (Alzheimers, etc...) now will eventually be seen as sets of other distinct disorders.