Omega-3 fatty acids are widely recognized for their diverse health benefits, with emerging evidence highlighting their potential to support brain health. A recent study indicates that higher levels of Omega-3 fatty acids may help maintain brain function and enhance cognitive performance in middle-aged individuals.
It is well established that Omega-3s enhance neurological health in older populations. This groundbreaking study is the first to demonstrate that diet, particularly Omega-3 intake, plays a critical role in maintaining brain health during midlife.
The study involved over 2,000 participants, averaging 46 years old, who were free of dementia and stroke. Researchers examined the relationship between omega-3 fatty acid levels in red blood cells and MRI and cognitive indicators of brain aging. Additionally, they investigated the impact of omega-3 red blood cell levels in participants carrying the APOE4 gene, which is associated with an increased risk of Alzheimer’s disease.
The findings revealed that a higher omega-3 index was linked to larger hippocampal volumes, a brain structure critical for learning and memory. Increased omega-3 intake was associated with improved abstract reasoning, the ability to grasp complex concepts through logical thinking. Among APOE4 gene carriers, those with a higher omega-3 index showed reduced small-vessel disease.
The researchers categorized participants into two groups: those with very low omega-3 red blood cell levels and those with at least some or higher levels. The poorest outcomes were observed in individuals with the lowest omega-3 consumption.
Omega-3 fatty acids are essential nutrients that our bodies cannot produce, so we must get them from food. Rich dietary sources include fatty fish like salmon and sardines, as well as chia seeds, flaxseeds, krill oil and fish oil supplements.
To view the original scientific study click below:
Association of Red Blood Cell Omega-3 Fatty Acids With MRI Markers and Cognitive Function in Midlife
