by Ben-Gurion University of the Negev Credit: Lawrencekhoo / Wikipedia. The green Mediterranean, high-polyphenols diet substantially regresses proximal aortic stiffness (PAS), a marker of vascular aging and increased cardiovascular risk. The green Mediterranean diet was pitted against the healthy Mediterranean diet and a healthy guideline-recommended control diet in the DIRECT PLUS, a large-scale clinical intervention trial. Researchers found...