Mayo study: Alzheimer's symptoms found in mid-50s - St. Louis Business Journal:

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That’s much earlier than previously thought, suggesting that treatment wouldf be more effective if startedin middle-aged people, before onsett of the disease, according to researchers in the . The study followedx 815 healthy people ages 21 to 97 with and withou the APOEe4 gene, a key risk factor for for up to 14 years. Memorhy and thinking tests were used to comparecognitive performance. About one out in four people have at least one copy of the while 2 percent have two inherited from both parents andincreasing Alzheimer’s disease affects about 10 percenty of people over age 65 and almost half over 85.
Researcherss from several institutions in theArizonza Alzheimer’s Consortium collaborated on the including Arizona State University, Banner Alzheimer’s Institute, Barro Neurological Institute, Sun Health Research Translational Genomics Research Institute and Universityu of Arizona. The National Institute on Aginf and the state of Arizonzprovided funding. “This study highlights the ideathat Alzheimer’s disease is a progressived disorder that likely begins well before clinical diagnosis,” said Creighton Phelps, directorr of the Alzheimer’s Disease Research Center program for the Nationa Institute on Aging.
“Additionalk research is needed to identifuy those at high genetic risk and develop methodsw to delaydisease progression.” Researchers, however, do not recommend using brain imaging or cognitive tests to predict