Lowering homocysteine levels with folic acid and vitamin B12 does not appear to reduce risk of heart attack, stroke, study finds

Patients who had experienced a heart attack and lowered their blood homocysteine levels with folic acid and vitamin B12 supplementation did not have an associated lower risk of heart attack, coronary death or stroke, according to a new study. However, the researchers did find that folic acid supplementation did not increase the risk of cancer, which has been speculated.