In turn, its influence on the reward circuit can lead a user to bypass survival activities and repeat drug use. Chronic cocaine use can lead to a cocaine addiction and in some cases damage the brain and other organs. An addict will continue to use cocaine even when faced with adverse consequences.
vasodilator (vÄÂ´zÅdÄ«Â´lÄtur), n 1. an agent that causes dilation of the blood vessels. n 2. a drug that relaxes the smooth muscle walls of the blood vessels and increases their diameter.
Vasodilator Herbs. Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels, particularly the large arteries, small arterioles and veins.Herbs with Vasodilator properties expand blood vessels and lower blood pressure.Many herbs act on smooth muscle to reduce tone, (i.e., spasmolytics). Vasodilator Herbs that are primarily used for relaxing arterial tone (vasodilators) are included here. 1  American Hellebore. 2  Skullcap.3  Barberry. 4  Black Cohosh.asodilator Herbs. Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels, particularly the large arteries, small arterioles and veins.