Older adults without dementia and with lower levels in plasma of the biomarkers beta-amyloid 42/40 (protein fragments) had an increased rate of cognitive decline over a period of 9 years, according to a study in the Jan. 19 issue of JAMA. The researchers also found that this relationship was stronger among individuals with less education and lower levels of literacy.
Jan 18, 2011 12:00 AM
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