Effect of n-3 Fatty Acids on Cognitive and Retinal Function in Older Adults
Author Information
Author(s): Alan D. Dangour, Felicity Clemens, Diana Elbourne, Nicky Fasey, Astrid E. Fletcher, Pollyanna Hardy, Graham E. Holder, Felicia A. Huppert, Rosemary Knight, Louise Letley, Marcus Richards, Ann Truesdale, Madge Vickers, Ricardo Uauy
Primary Institution: London School of Hygiene & Tropical Medicine
Hypothesis
An increased dietary intake of n-3 long-chain polyunsaturated fatty acids will have a positive effect on cognitive performance in older people in the UK.
Conclusion
The study aims to determine if n-3 fatty acids can slow cognitive decline and improve retinal function in older adults.
Supporting Evidence
- Older people in the UK often consume diets low in fish.
- Previous studies suggest that higher fish consumption is linked to reduced risk of cognitive impairment.
- n-3 LCPs are crucial for brain development and function.
Takeaway
This study is trying to find out if eating more fish can help older people think better and see better.
Methodology
A double-blind randomised placebo-controlled trial among adults aged 70–79 years, comparing n-3 LCP supplementation with a placebo.
Potential Biases
Potential bias in participant selection and self-reported dietary intake.
Limitations
The study may have limitations related to participant dropout and the generalizability of findings to all older adults.
Participant Demographics
Healthy, cognitively normal adults aged 70–79 years.
Digital Object Identifier (DOI)
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