Baker LD, Bayer-Carter JL, Skinner J, Montine TJ, Cholerton BA, Callaghan M, Leverenz JB, Walter BK, Tsai E, Postupna N, Lampe J, Craft S. High-intensity physical activity modulates diet effects on cerebrospinal amyloid-ß levels in normal aging and mild cognitive impairment. J Alzheimers Dis. 2012; 28(1):137-46.