Political influence associates with cortisol and health among egalitarian forager-farmers.

von Rueden, C., Trumble, B., Emery Thompson, M., Stieglitz, J., Hooper, P.L., Blackwell, A.D., Kaplan, H., Gurven, M. 2014. 

Evolution, Medicine, and Public Health 122-133. doi:10.1093/emph/eou021

2014