Jan 28, 2009 (foodconsumer.org) -- Caloric restriction
may help the elderly retain memory and thinking skills, according to a new
study published in the Jan. 27 online edition of the Proceedings of the
National Academy of Sciences.
The study found cutting caloric intake by 30 percent for
three months improved memory and thinking skills among healthy, overweight
The study suggests that cutting caloric intake boosts
memory and cognition by reducing insulin resistance and inflammation.
The study led by Dr. Agnes Floel, assistant professor of
neurology at the University of Munster failed however to confirm early studies
that showed unsaturated fatty acids such as omega-3 fatty acids found in oily
fish bettered cognitive performance in rats.
The study involved 49 overweight men and women aged 60.5 years
on average and with a body mass index of 28.
The participants were told to cut caloric intake, but not eat less than
1,200 calories daily.
On average, participants lost five pounds and those who
adhered closely to the dietary recommendations lost an average of eight pounds.
Those who lost more weight experienced the better improvements in memory
Caloric restriction has proved to extend lifespan in many
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