Guest guest Posted April 27, 2005 Report Share Posted April 27, 2005 High Folic Acid Intake Linked to Mental Decline > > High intakes of folic acid result in a faster rate of mental decline, > according to a new study. > http://www.ncbi.nlm.nih.gov/entrez/query.fcgi? cmd=Retrieve & db=pubmed & dopt=Ab stract & list_uids=15824266 > > Those in the top fifth of folic acid consumption, i.e., more than 700 > micrograms in a day, had twice the rate of mental decline over six > years than those who with the lowest folate intake. Rates of decline > were also faster among people who got more than 400 micrograms of > folate in the form of supplements, and among those whose folate > intake from food was nearly 400 micrograms. > > One possible explanation for this finding could be a undetected > vitamin B-12 deficiency. The study found that a high B-12 intake was > associated with slower mental decline among the oldest study > participants. Those who consumed 20 micrograms of B-12 through > supplements daily had a 25 percent lower decline than those who got > the recommended level of B-12 for adults (i.e., 2.4 micrograms ). > Many know about supplementing with folic acid, but perhaps most don't > supplement with B-12. Good mental functioning requires cholesterol > in the brain. So, perhaps excessive folic acid intake adversely > affects brain chemistry. Nevertheless, it appears that high intakes > of folic acid used to control high homocysteine levels should only be > done on a temporary basis. > Quote Link to comment Share on other sites More sharing options...
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