Physical Fitness and Aortic Stiffness Explain the Reduced Cognitive Performance Associated with Increasing Age in Older People. Kennedy G, Meyer D, Hardman RJ, Macpherson H, Scholey AB, Pipingas A J Alzheimers Dis. 2018; 63(4):1307-1316. PMID: 29865082. Abstract Comment Bookmark Recommend Follow Comment | Bookmark | Recommend | Follow