New Thoughts On Alzheimer’s

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Medical News Today reports on new research into the mechanisms by which Alzheimer's causes damage. Scientists "have shown that 'the plaques' which form in the brain of patients are linked to damage to nearby blood vessels. Leakage appears to occur between the blood vessels and the brain, as a result of which the plaques develop and the disease manifests itself. ... Under normal circumstances, the blood vessels transport the excess amyloid protein away from the brain. However, the protein has a harmful effect on blood vessel walls. This effect is perhaps strengthened as a result of ageing, which causes the protein to be removed less efficiently. The blood vessel loses strength and in its immediate vicinity the accumulation of the amyloid increases and plaques develop."

Link: http://www.medicalnewstoday.com/medicalnews.php?newsid=28218