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September 25th, 2013
05:04 PM ET

Study questions brain benefit of omega-3s

If there were a food or dietary supplement guaranteed to help preserve our thinking skills, memory and verbal fluency later in life, we'd all take it. Unfortunately, we don't have such a miracle pill.

Omega-3 fatty acids, found in fatty fish and nuts, have been touted as potential brain-boosters in aging. In some studies they were shown to be associated with a lower risk of dementia.

A new study in the journal Neurology is a knock against that theory, but more research needs to be done to confirm, as it does not prove or disprove a cause-and-effect relationship.

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Get a behind-the-scenes look at the latest stories from CNN Chief Medical Correspondent, Dr. Sanjay Gupta, Senior Medical Correspondent Elizabeth Cohen and the CNN Medical Unit producers. They'll share news and views on health and medical trends - info that will help you take better care of yourself and the people you love.

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