Video: Clues in the Blood

Metabolomics studies hundreds of metabolites found in the bloodstream, in an attempt to understand everything from metabolic diseases like diabetes and cardiac ailments to high-level athletic performance. In this video, while a patient with risk factors for cardiovascular disease receives monitoring at Massachusetts General Hospital, two cardiologists there, Robert Gerszten and Greg Lewis, explain more about metabolomics. Read more in "Fathoming Metabolism," from the May-June 2011 issue.