French researchers have found that the natural decline in mental function that happens with age may be increased due to low blood selenium levels.
Researchers from the University of Montpellier recruited over 1300 older adults between the ages of 60 and 71, and monitored their cognitive function and selenium levels for a nine year period.
After the follow up period, researchers report that cognitive decline was associated with a decrease in plasma selenium levels. In fact, the greater the decrease in plasma selenium levels, the higher the risk of cognitive decline.
Further studies are needed to examine the full effect of selenium levels of age related cognitive decline.
These findings were published in the journal Epidemiology.
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