TAKING supplements of folic acid before pregnancy can significantly reduce the risk of neural tube defects at birth. Increasing consumption of folic acid and high levels of folate in the blood associated with levels of homocysteine in the blood and reduce the risk of heart attack.
In a study involving women in large amounts as quoted medicinenet sites, those who consumed the highest folic acid (usually in the form of multivitamins) had fewer heart attacks less risk than those who ate little folic acid.