Eating Fish May Not Improve Cognition After All
Contrary to earlier studies, new research suggests that omega-3 fatty acids may not benefit thinking skills. The study is published in the online issue of Neurology, the medical journal of the American Academy of Neurology. Omega-3s are found in fatty fish such as salmon and in nuts.
“There has been a lot of interest in omega-3s as a way to prevent or delay cognitive decline, but unfortunately our study did not find a protective effect in older women. In addition, most randomized trials of omega-3 supplements have not found an effect,” says study author Eric Ammann, of the Univ. of Iowa. “However, we do not recommend that people change their diet based on these results. Researchers continue to study the relationship between omega-3s and the health of the heart, blood vessels and brain. We know that fish and nuts can be healthy alternatives to red meat and full-fat dairy products, which are high in saturated fats.”
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