According to a new study, an artery in the arm is no more efficient or related to better outcomes than a leg vein for coronary artery bypass graft (CABG) patients.

A blood test measuring the gamma-prime fibrinogen (a component of the blood's clotting mechanism) could help identify people at risk of heart attack, according a study from the Oregon Health & Science University.

A bacteria might play a vital role in atherosclerosis -- or hardening of the arteries – the number one killer in the U.S.