To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Video 1 Movie S1. Impression of the training procedures in Poland. All subjects provided written consent. Voluntary activation of the sympathetic nervous system and attenuation of the innate immune response in humans Matthijs Kox, Lucas T. van Eijk, Jelle Zwaag, Joanne van den Wildenberg, Fred C. G. J. Sweep, Johannes G. van der Hoeven, and Peter Pickkers PNAS. 2014. 111:7379-7384 DOI: 10.1073/pnas.1322174111 Download Original Video Browse All Videos »