ScienceDaily (Mar. 17, 2010) — A family history of Alzheimer's is one of the biggest risk factors for developing the memory-robbing disease, which affects more than 5 million Americans and is the most common form of senile dementia. Now an international collaboration led by NYU Langone Medical Center researchers has found the likely basis for this heightened familial risk -- especially from the maternal side. Aided by a new version of a brain scanning technique, the researchers discovered a far greater number of protein clumps linked to the disease among healthy adult children of parents with Alzheimer's compared to counterparts with no family history of dementia. The average increase in these clumps, called amyloid-beta plaques, was particularly striking among study volunteers whose mothers had been diagnosed with the disease. The plaques appeared throughout most regions of the brain.
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