A new study, published in Alzheimer’s & Dementia: The Journal of the Alzheimer’s Association, has found that early symptoms of dementia may appear in two “windows,” years before diagnosis.
They found that cognitive tests, blood biomarkers, and brain scans changed beginning from people’s late 50s.
Dr Mingzhao Hu, an assistant professor in Mayo Clinic’s Department of Quantitative Health Sciences and first author of the study, said: “By estimating the ages when changes in health markers become more noticeable, the results show that many of these shifts tend to happen from late 50s through early 70s.”
What did the research show?
Using data from 2,082 participants in the Mayo Clinic Study of Ageing, the researchers tracked data from people’s blood, brain scans, and cognitive tests.
The study is long-running and “provides an integrated view of age-related patterns across multiple Alzheimer’s biomarkers measur...
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