Daily supplementation with Omega-3 may improve IQ in older individuals with mild cognitive impairment, according to a new study.
Over 200 individuals age 65 and above, who had mild cognitive impairment, participated in this double-blind placebo controlled study. Participants received either 2 grams of DHA daily or a corn oil placebo daily. The study lasted 12 months. Measures of cognitive function were measured at the onset of the study, at six months and at 12 months.
A significant difference (10%) in the Full-Scale Intelligence Quotient (IQ) was seen in the group supplementing with the DHA in comparison with the placebo. In addition, significant increases in 2 IQ sub tests (Information and Digit Span) were seen in the group supplementing with the DHA. These 2 tests are used to determine long term and short term memory.
Additional longer term studies are the next step.
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