Day after day our headlines tell a story of sympathetic nervous systems gone wild. (positivepsychologynews.com)
This opposes an important sympathetic nervous system activity, which is to draw blood to the central part of the body as a protection against attack. (infraredsauna.com)
We see a drop in thyroid hormone levels over the short term on a ketogenic diet, but that's balanced by a more responsive sympathetic nervous system response. (bjjcaveman.com)