The blood-brain barrier (BBB) is a collection of cells and cellular components that line the walls of blood vessels in the brain. This barrier is an important part of brain health because it separates the brain from circulating blood. A study led by Walter H. Backes, Ph.D., a professor in medical physics at Maastricht University Medical Center in the Netherlands, has found that the blood-brain barrier was leakier in a group of people with Alzheimer’s disease than in those without the disease. This new information could add to the accumulation of evidence that early detection of Alzheimer’s is the key to defeating it. In fact, most of the drugs now going through trails need to be taken in the pre-symptom stage of the disease in order to be effective. The goal is to one day be able to start interventions early enough to stop or reverse damage from the disease before symptoms start.
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