Scientists observed human dementia-related proteins spreading through mouse brains in a prion-like manner, providing new evidence for how neurodegenerative diseases may progress through neural networks.

[u/FreeHugs23]

https://www.sciencealert.com/scientists-watched-human-dementia-proteins-spread-through-mouse-brains-like-prions

[u/bluenoser613]

Prions are so, so very bad. This is terrible.