The Rush Alzheimer's Disease Center published a study on September 15, 2010 finding that even mild changes in memory in old age is caused by brain lesions associated with Alzheimer's disease and other dementias. The study included 350 nuns, priests and brothers who participated in the study over a thirteen year period. "The very early mild cognitive changes once thought to be normal aging are really the first signs of progressive dementia, in particular Alzheimer's disease." said Robert S.Wilson, PhD, neuropsychologist at Rush University Medical Center. "The pathology in the brain related to Alzheimer's and other dementias has a much greater impact on memory function in old age than we previously recognized." To read the whole article please click here.