ASSOCIATION BETWEEN DIET AND RETINAL IMAGING MARKER IN THE PREVENT DEMENTIA STUDY
2024

Diet and Eye Health in Alzheimer's Study

Sample size: 86 publication Evidence: low

Author Information

Author(s): Gregory Sarah, Gibbon Samuel, MacGillivray Thomas, Terrera Graciela Muniz

Primary Institution: University of Edinburgh

Hypothesis

Higher dietary manganese intake is associated with retinal imaging markers in individuals at risk for Alzheimer's disease.

Conclusion

The study found that higher dietary manganese intake was linked to lower CRAE HZC density in the right eye, but no significant associations were observed for the Pyramid score or longitudinal data.

Supporting Evidence

  • Higher dietary manganese intake was associated with lower CRAE HZC density in the right eye.
  • Participants had a moderate mean Pyramid score comparable to other UK cohorts.
  • The study included both cross-sectional and longitudinal analyses.

Takeaway

Eating foods with manganese might help keep your eyes healthy, especially for people worried about Alzheimer's, but more research is needed.

Methodology

The study used generalised additive models to analyze cross-sectional and longitudinal data on diet and retinal imaging markers.

Limitations

The sample size was small and further research is needed with a larger group.

Participant Demographics

Mean age 50.87 years, majority female (57%), with 36% being APOEe4 carriers.

Digital Object Identifier (DOI)

10.1093/geroni/igae098.2966

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