Angiotensin II (Ang II)-dependent renal vasoconstriction contributes to blood pressure control, sodium balance and the pathogenesis of hypertension, according to new findings. Matthew Sparks ...

How the brain controls blood flow during sleep “Substance P” secreted by parvalbumin interneurons drive slow vasodilation Peer-Reviewed Publication ...

This was consistent with the vasoconstriction--blood vessel contraction--present in some types of endothelial dysfunction." Akiyoshi Fukamizu, corresponding author on the study.

Cold showers are widely associated with a range of health benefits from boosting energy levels to improving circulation.