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Dementia

How Biomarkers Help Diagnose Dementia

Learn about biomarkers — measures of what’s happening in the body — used in dementia detection and research, including brain imaging tests such as MRI and PET.
male medical technician with older woman about to get brain imaging test

Vascular Dementia: Causes, Symptoms, and Treatments

Vascular dementia is caused by a range of conditions that disrupt blood flow to the brain and affect memory, thinking, and behavior. Learn about the causes of vascular dementia and modifiable risk factors.
Older woman, who has dementia, sitting on a sofa in her home.

Assessing Changes in Memory and Function

When visiting an aging relative, you might notice they have more memory problems than last time. Find info to help you assess changes in memory and cognition.
Older man and his daughter looking sad

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An official website of the National Institutes of Health