RT Journal Article SR Electronic T1 Homocysteine: Update on a new risk factor JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 543 OP 549 VO 64 IS 10 A1 Ballal, Raj S. A1 Jacobsen, Donald W. A1 Robinson, Killian YR 1997 UL http://www.ccjm.org/content/64/10/543.abstract AB A high fasting plasma homocysteine level is an independent risk factor for atherosclerosis and venous thrombosis. Vitamin therapy can lower homocysteine levels, but no benefit has yet been demonstrated; studies using clinical outcomes as endpoints are now in progress.