“As you age, the fluid movement in your brain slows, sometimes to a pace that’s half of what it was when you were younger...We discovered that the proteins responsible for Alzheimer’s actually do get drained through these lymphatic vessels in the brain along with other cellular debris, so any decrease in flow is going to affect that protein build-up.”
Lymphatic Vessels Discovered in Central Nervous System (2015)
How a newly discovered body part changes our understanding of the brain (and the immune system) (2016)
https://sitn.hms.harvard.edu/flash/2016/how-a-newly-discover...
Edit: Ah, yes. I thought it sounded familiar: Previously discussed on Hacker News: https://news.ycombinator.com/item?id=25426185
Brain’s lymphatic system, just recently discovered, now linked to aging and Alzheimer’s (2018)
https://www.fiercebiotech.com/research/brain-s-recently-disc...
Edit: Quote from the above linked piece:
“As you age, the fluid movement in your brain slows, sometimes to a pace that’s half of what it was when you were younger...We discovered that the proteins responsible for Alzheimer’s actually do get drained through these lymphatic vessels in the brain along with other cellular debris, so any decrease in flow is going to affect that protein build-up.”
Lymphatic Vessels Discovered in Central Nervous System (2015)
https://www.nih.gov/news-events/nih-research-matters/lymphat...
Brain cleaning system uses lymphatic vessels (2017)
https://www.nih.gov/news-events/nih-research-matters/brain-c...