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Alzheimer’s experts say it’s hard to quantify how often it happens, but findings from an ongoing study has found that one-third of Alzheimer’s disease diagnoses were incorrect.

Researchersworking on the Honolulu-Asia Aging Study — an ongoing study that’s been inprogress since 1991 — have been studying the brain changes caused byAlzheimer’s and other forms of dementia. When pathologists studied the brainsof 852 men diagnosed with Alzheimer’s, they found that the diagnosis was wrongin one-third of the time; correct one-third of the time; and partially wrongone-third of the time, the Detroit Free Press reported.

“Pullingthese things apart and the need for a real diagnosis — that’s important sopeople can live the best quality of life as possible for as long aspossible,” Jennifer Howard, executive director of the Alzheimer’sAssociation’s Michigan Great Lakes Chapter, told the Free Press.

Howard recommends consultations with interdisciplinary team with bothgeriatricians and neurologists to gain more accurate diagnoses.