The Facts:
* Low blood folate levels are associated with poor cognitive performance in the general population.
* A study of 818 older patients who took 800µg folic acid or placebo daily for 3 years showed that folic acid significantly improved memory, information processing speed and sensorimotor speed.
* Long term supplementation with folic acid significantly improved aspects of cognition that may decline with age.
Shaun’s comment: Of all the studies that we have reviewed in Natural Health Review, this may be the most important. “Cognition” refers to reasoning, perception, learning and intelligence and these tend to decline naturally with increasing age. However, people who took 800?g daily of oral folic acid for 3 years had improved results in tests of cognition, when compared to those who took a placebo. We generally live a lot longer than we did 100–200 years ago, and folic acid supplements may mean that you can retain your mental agility in old age.
Study reference:
http://dx.doi.org/10.1016/S0140-6736(07)60109-3
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