New Focus on Blood-Brain Barrier Spurs Research on Dementia

It is thought that the blood-brain barrier becomes more permeable as we age, allowing molecules harmful to neurons to enter the brain, triggering inflammation and cell death. It has long been assumed that dementia was due to the accumulation of beta-amyloid proteins, but numerous studies focusing on beta-amyloid have failed to make headway in the fight to find a cure for dementia. Now focus is being placed on the study of the blood-brain barrier to develop new treatments.

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