Your Brain is Younger Than You Think: A Guide to Mental Aging

ability activity actually Alzheimer Alzheimer's appear areas arteries aspect became become behavior believed blood blood flow body brain change called cause common complete concept confusion considered continued death decline defect depression developed difficulty disease effect elderly environment episode especially event evidence example fact factors friends function gene happen heart hospital idea important included increasing indicated infection intelligence interest involved kind Kraepelin later least less living loss major means measure memory memory loss mental disease mental illness mind months nerve cells never ninety normal occur organization patients percent person plaques population present pressure problem produce realize reason recent recognize remember result retirement returned revealed seems senile dementia serious similar situation sixty-five social story stroke survey tests thing tion usually young