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Docosahexaenoic acid (DHA) — an omega-3 fatty acid — can improve IQ by 10%, new research finds.

People in the study, who were aged over 65, were given 2g/day of DHA for a year.

A control group was given a placebo of corn oil.

The high quality study involved 240 Chinese individuals.

Their IQ and other measures of cognitive function were tested after 6 and 12 months.

The study’s authors explain the results:

“…oral DHA supplementation (2 g/d) for 12 months beneficially affected global cognitive function, specifically participants’ performance on the Information and Digit Span tasks.”

Brain scans also revealed changes in the hippocampus, an area of the brain critical for memory.

The study’s authors write:

“The hippocampus is a critical brain region for memory formation and plays important roles in the consolidation of information from short-term memory to long-term memory and spatial navigation.
[…]
Our results suggest that 12-month DHA…

View original post 198 more words

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