Fish Oil & Brain Health in Seniors | Study Findings
New research suggests fish oil supplements may offer brain health benefits specifically for seniors at risk for Alzheimer’s disease, according to a recent OHSU clinical trial. The study revealed a notable reduction in nerve cell breakdown among those with the APOE4 gene, impacting senior brain function, though results weren’t universal.While fish oil may not be a panacea, the findings highlight a potential avenue for intervention. News Directory 3 keeps you informed. Further studies are planned to explore dosage and efficacy in diverse groups. Discover what’s next in Alzheimer’s prevention and how omega-3s may play a role.
Fish Oil May Benefit Some at Risk for Alzheimer’s: Study
A recent clinical trial at Oregon Health & Science University (OHSU) indicates that fish oil supplements may offer benefits to a subset of older adults. Specifically, those with a genetic predisposition to Alzheimer’s disease may experience improved brain function.
Teh study, which examined the impact of fish oil on brain function, revealed no statistically significant improvement for all older adults. However, researchers observed a reduction in nerve cell breakdown among participants carrying the APOE4 gene, a known risk factor for Alzheimer’s.
Lynne Shinto, professor of neurology at OHSU School of Medicine, cautioned against a universal recommendation. She stated that while fish oil might be beneficial for APOE4 carriers, it’s not necessarily essential for all older adults to prevent dementia.
The trial involved 102 participants,aged 75 and older,with low omega-3 fatty acid levels. Brain scans were conducted at the start and end of the three-year study to monitor changes in white matter lesions, which can impede nutrient delivery to the brain and increase dementia risk.
Participants, who had high levels of white matter lesions but no dementia, were divided into two groups. One group received omega-3 enriched fish oil, while the other received a soybean-based placebo. While a slight reduction in lesion progression was observed, it wasn’t statistically significant across both groups.
however, among APOE4 carriers, researchers noted a significant reduction in brain cell integrity breakdown within a year of fish oil treatment, compared to the placebo group.
Gene Bowman, director of clinical trials at Massachusetts General Hospital, emphasized the study’s innovative approach. He noted that it used blood tests and brain scans to identify individuals at high risk for dementia and suitable for nutritional intervention. Bowman, who previously worked at OHSU, called the slowed neuronal integrity breakdown in omega-3 treated, high-risk individuals “remarkable” and advocated for larger, more diverse trials.
What’s next
Further research is needed to confirm these findings and determine the optimal dosage and duration of fish oil supplementation for individuals with the APOE4 gene. Larger clinical trials with diverse populations are planned to explore the potential of omega-3 supplements in Alzheimer’s prevention.