Ahealthy #brain (left) compared to that…

Ahealthy #brain (left) compared to that in Alzheimer's disease (right).

Alzheimer's disease is a chronic neurodegenerative disease and the cause of 60-70% of dementia cases.

Notice the loss of cortex in the #Alzheimer's brain on the right, seen by the deepening of sulci (the valleys between folds in the brain) and enlargement of brain ventricles.⁠