Lifetime Dementia Risk: 42% Post-Age 55
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By
January 14, 2025
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3 min
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1
Over 40% of adults will develop dementia after age
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Women face a 48% lifetime risk of developing dementia compared with 35% for men.
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Black adults showed a 44% lifetime risk versus 41% for White adults.
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Carrying 2 copies of the APOE ε4 gene variant leads to a 59% risk.
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The median age of dementia diagnosis was 81 years.
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Dementia incidence remains low between ages 55-75 but increases after age
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7
The study used data from the Atherosclerosis Risk in Communities (ARIC) study, tracking participants from 1987 to
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The researchers emphasize the importance of prevention, healthy aging, and health equity in addressing the increasing risk of dementia.
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A community-based study published in Nature Medicine reveals that after age 55, over 40% of adults will develop dementia. Women, Black adults, and those carrying the APOE ε4 gene variant face substantially higher risks. The study also projects a doubling of new dementia cases in the U.S. by 2060, with women facing a 48% lifetime risk compared to 35% for men and Black adults showing a 44% lifetime risk versus 41% for White adults. The study emphasizes the importance of prevention, healthy aging, and health equity in addressing the increasing risk of dementia.
-
1
Over 40% of adults will develop dementia after age
-
2
Women face a 48% lifetime risk of developing dementia compared with 35% for men.
-
3
Black adults showed a 44% lifetime risk versus 41% for White adults.
-
4
Carrying 2 copies of the APOE ε4 gene variant leads to a 59% risk.
-
5
The median age of dementia diagnosis was 81 years.
-
6
Dementia incidence remains low between ages 55-75 but increases after age
-
7
The study used data from the Atherosclerosis Risk in Communities (ARIC) study, tracking participants from 1987 to
-
8
The researchers emphasize the importance of prevention, healthy aging, and health equity in addressing the increasing risk of dementia.
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