References for “Exercise, estrogen, and executive function”
Berchtold NC, et al. "Estrogen and Exercise Interact to Regulate Brain-Derived Neurotrophic Factor mRNA and Protein Expression in the Hippocampus," European Journal of Neuroscience (Dec. 2001): Vol. 14, No. 12, pp. 1992–2002.
Erickson KI, et al. "Interactive Effects of Fitness and Hormone Treatment on Brain Health in Postmenopausal Women," Neurobiology of Aging (Feb. 2007): Vol. 28, No. 2, pp. 179–85.