You tried going to https://neuroscience.ubc.ca/2018/05/16/cooperation-between-brain-cells-regenerates-cerebral-blood-flow-after-stroke, and it doesn't exist. All is not lost! You can search for what you're looking for.
https://neuroscience.ubc.ca/2018/05/16/cooperation-between-brain-cells-regenerates-cerebral-blood-flow-after-stroke