MedicalNewsToday

As people age, their risk of cognitive decline rises. In 2025, about 7 million Americans aged 65 and older have Alzheimer’s disease, and this number is expected to grow. Mayo Clinic researchers noted that Alzheimer’s begins long before symptoms appear, but said the link between biomarkersTrusted Source and future risk was unclear. Using 20 years of data, they developed a tool that predicts 10-year and lifetime risk of cognitive impairment based on brain scans, age, and genetics.
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