Hypothalamic pituitary adrenal axis responses to low-intensity stressors are reduced after voluntary wheel running in rats.
Campeau S, Nyhuis TJ, Sasse SK, Kryskow EM, Herlihy L, Masini CV, Babb JA, Greenwood BN, Fleshner M, Day HE. Hypothalamic pituitary adrenal axis responses to low-intensity stressors are reduced after voluntary wheel running in rats. J Neuroendocrinol. 2010 Aug; 22(8):872-88.