Researchers say that eating more fish or fish oil, in conjunction with a healthy lifestyle, could lower risk for Alzheimer’s as well as promoting good brain health.
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For years certain dietitians have praised the nutritional value of fish, but a recent study published in the journal Neurology found that eating fish may help prevent the onset of Alzheimer’s disease. The study was conducted by researchers at the Univeristy of South Dakota, who analyzed blood samples from 1,111 women as part of the Women’s Health Initiative Memory Study. The researchers concluded that the participants with higher omega-3 fatty acids, commonly found in fish and fish oil, can lead to better brain health.
In the study, red blood cell samples were initially taken from the participants and stored. Eight years later, at an average age of 78, the women returned to undergo MRI scans to determine their brain health. Researchers found that those with the highest concentrations of omega-3 fatty acids in their blood sample also retained a larger volume of the hippocampus portion of their brain, as well as a larger brain volume overall.