It also contains astringent compounds that are antiseptic, dilate peripheral blood vessels, and shrink inflamed tissue. (wellnessmama.com)
Sympathetic arousal stimulates the adrenal medulla, which, in turn, leads to the secretion of the catecholamines, epinephrine and norepinephrine, leading to stress - related changes in blood pressure, heart rate, and constriction of peripheral blood vessels, among other changes. (pnas.org)
The deep heat of far infrared saunas help peripheral blood vessels dilate, bringing relief and healing to muscle and soft tissue injuries. (infraredsauna.com)