Genetic risk may shape cognitive gains from a multidomain lifestyle program
A reanalysis linked higher Alzheimer's genetic risk with larger intervention-related gains on a cognitive test, but secondary outcomes were less consistent.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Both study groups improved on a cognitive test, with greater gains in the intervention group. The largest relative response appeared in participants carrying APOE ε4 who also had a high polygenic risk score. This subgroup pattern suggests a question for further study; it does not demonstrate that the program prevents dementia or justify selecting treatment from genetics alone.
The abstract does not report subgroup sizes or intervention details. This abstract-based account concerns a cognitive test outcome; other outcomes were less consistent, and dementia prevention was not established.
What researchers found
RBANS total index (cognitive test)
Intervention versus control over 24 weeks; the largest relative response was reported in APOE ε4 carriers with high polygenic risk scores.
How genetic risk was examined
Researchers revisited an existing study and used the overall RBANS cognitive test index as the main outcome. They considered an Alzheimer's polygenic risk score alongside APOE status to examine variation in response.
Keeping the outcome specific
The genetic subgroup result concerned improvement on a test score. Other measured outcomes did not show the same consistency, so the apparent advantage should remain tied to that specific outcome and the studied population.
The original publication
Polygenicity and APOE ε4 shape response to intervention in mild cognitive impairment.
Hwang J, Moon SY, Lee H et al.
Alzheimers Res Ther · 2025
- PubMed ID
- 41388319
- Record checked
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