The Framingham Heart Study Revolutionized the Study of "Heart Healthy

The Framingham Heart Study revolutionized the study of "heart healthy" initiatives. Which statement in regard to the study is NOT true?

A) Previous to this study epidemiologists studied disease by examining death certificates.
B) The original participants received a complete medical exam including a myriad of medical tests.
C) The study was instrumental in defining and identifying modifiable and nonmodifiable risk factors for cardiovascular disease.
D) The study since its inception has employed a longitudinal and retrospective design that has since become the gold standard.