Your body begins working immediately to start the healing process with the first stage ... this by tightening the blood vessels (vasoconstriction), moving platelets to the injury site (platelet ...

The process serves an evolutionary purpose as ... The combination of erectile dysfunction and winter-induced vasoconstriction can create a compound effect on sexual function.

Using a new plethysmographic technique to measure peripheral arterial tone (PAT), we report here that REM sleep in humans is associated with considerable peripheral vasoconstriction. The apparatus ...