Gene and blood‑vessel damage add to dementia risk (English, Level A1)

Researchers study the risk of dementia in older adults.
They look at a gene called APOE ε4, a variant.
They also study damage in small brain blood vessels.
This damage appears as white matter hyperintensities on scans.
People who have both problems have a higher dementia risk.
Each problem adds its own part of the risk.
Controlling blood pressure and diabetes can help prevent damage.
Having the APOE ε4 gene does not mean dementia.

Difficult words

researcher — person who studies topics and collects data

Researchers

risk — chance of something bad happening

gene — part of the body that gives traits

variant — a different form of something

dementia — illness that affects memory and thinking

damage — harm or injury to a person or thing

blood vessel — tube in the body that carries blood

blood vessels

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Gene and blood‑vessel damage add to dementia risk^{CEFR A1}

Difficult words

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Gene and blood‑vessel damage add to dementia risk^{CEFR A1}