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Higher omega-3 levels are associated with better cognition

Polyunsaturated fatty acids like omega-3s are mainly known for supporting the heart, but research has begun to focus on how they affect cognition. Hispanics and Caribbeanites may be more likely to develop cognitive impairment.

In this study, doctors measured omega-3 and omega-6 levels in 1,197 Puerto Ricans, average age 57, who took cognitive tests at the start and end of the two-year study. Compared to those with lower levels, those with higher levels of omega-3s did better on cognitive tests of the ability to plan, organize, and complete tasks.

Those with higher levels of the omega-6, arachidonic acid, were 26 percent more likely to have developed symptoms of cognitive impairment during the two-year study period.

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