Study: Gene May Cause Alzheimer’s in Some Cases — VOA Learning English
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For the first time, researchers have identified a genetic form of late-in-life Alzheimer’s disease.
Alzheimer’s is a disease of the brain that causes people to lose their memory and mental abilities as they grow old.
Scientists have long known a gene called APOE4 is one of the many things that can increase a person’s risk for Alzheimer’s.
One risk includes simply getting old; most Alzheimer’s cases appear after age 65. But new research suggests that a cause of the disease is carrying two copies of the APOE4 gene. People with two copies of APOE4 inherited the gene from both parents.
Those patients may experience signs of Alzheimer’s seven to 10 years sooner than other adults who develop…
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