The Muscatine Heart Study was funded over the years by a Specialized Center of Research (SCOR) in Arteriosclerosis. The SCOR program was initiated by the NHLBI to expedite the development and application of new knowledge essential for improved diagnosis, treatment, and prevention of arteriosclerosis, ischemic heart disease, hypertension, pulmonary disease, and thrombosis. The Muscatine Heart Study was also funded by R01HL35600.