A study published in Neurology on Nov. 13, 2026, found that cognitively healthy older adults whose brains appeared younger than expected for their age were less vulnerable to the cognitive effects of Alzheimer’s-related pathology, according to the study. The research followed more than 600 cognitively healthy participants with an average age of 70, researchers reported.
The study measured Alzheimer’s-related pathology using blood markers and, in some participants, brain imaging, then compared those findings with tests of memory, attention, processing speed, and executive function, according to the study. A new study found that people with younger-looking brains were less vulnerable to cognitive decline, even when Alzheimer’s-related changes were present [1].
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