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A study at the National Institute on Aging found that homocysteine does more than just damage the arterial wall. As a major consequence of folic acid deficiency - a particular problem with the elderly - elevated homocysteine impairs DNA repair. S-Aadenosylhomocysteine, which is the precursor of homocysteme, appears to be a more sensitive marker for differentiating cardiovascular patients from control subjects than homocysteine. [Am J Clin Nutr, 2001;74: pp.723-9]. |
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