NIH study shows no benefit of omega-3 or other nutritional supplements for cognitive declineNIH study shows no benefit of omega-3 or other nutritional supplements for cognitive decline NIH study raises doubt about any benefits omega-3 and dietary supplements like these may have for cognitive decline.NEI While some research suggests that a diet high in omega-3 fatty acids can protect brain health, a large clinical trial by researchers at the National Institutes of Health found that omega-
