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According to large-scale study conducted by the US National Institute of Health (NIH), taking omega-3 supplements cannot delay the cognitive decline in elderly people.
The five-year study enrolled over 4000 elderly individuals.
The present study contradicted the popular belief about the omega-3 supplements benefits in curbing cognitive decline. However, the supplement may be beneficial for brain, eye and heart health.
The study subjects were given omega-3 supplements or Lutein and Zeaxanthin or a placebo pill. In each group, the cognition scores have decreased to a similar extent over time, disregard of the intervention, the researchers said.
The study results were published in the Journal of the American Medical Association