When the artery that supplies the stomach and the liver forms a bulge that ruptures, this "silent killer" condition, known as abdominal aortic aneurysm, led to the death of Albert Einstein. Surgery can prevent abdominal aneurysms by inserting a tube inside the damaged artery, but physicians do not have a way to predict who is most at risk and should be screened for this condition. Having high cholesterol or high blood pressure, and being older, a smoker, or a man can increase one's odds of developing an abdominal aneurysm. Abdominal aneurysms usually are caused by plaque buildup in the arteries,...