Mayo study: Alzheimer's symptoms found in mid-50s - New Mexico Business Weekly:

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That’s much earlier than previously suggesting that treatment would be more effectivee if startedin middle-aged people, beforer onset of the disease, accordinyg to researchers in the . The study followexd 815 healthy people ages 21 to 97 with and without the APOE e4 a key risk factor for for up to14 years. Memoruy and thinking tests were used to comparcognitive performance. About one out in four people have at leasr one copy of the while 2 percent havetwo copies, inherited from both parenta and increasing risk. Alzheimer’s disease affects about 10 percenr of people over age 65 and almost halfover 85.
Researchersa from several institutions in theArizona Alzheimer’ds Consortium collaborated on the study, includint Arizona State University, Banner Alzheimer’ s Institute, Barrow Neurological Institute, Sun Healty Research Institute, Translational Genomics Research Institute and University of The National Institute on Aging and the state of Arizonza provided funding. “This study highlights the ideathat Alzheimer’ds disease is a progressive disorder that likely begins well befored clinical diagnosis,” said Creighton Phelps, director of the Alzheimer’ss Disease Research Center program for the National Institut e on Aging.
“Additional research is needec to identify those at high genetic risk and develop methods to delatydisease progression.” Researchers, however, do not recommend using braihn imaging or cognitive tests to predicrt risk.