By Kathryn Doyle (Reuters Health) – Young adults who eat the most fruits and vegetable have the least calcified plaque buildup in their arteries decades later, which indicates a reduced risk of heart disease, according to a new study. “Most dietary studies out there on things like fruits and vegetables or healthy fats are all in an older population,” said lead author Dr. Michael D. Miedema, of the Minneapolis Heart Institute in Minnesota. The new analysis involved participants in the government-funded Coronary Artery Risk Development in Young Adults (CARDIA) study.