The short answer is, mostly. Vasodilation, or the widening of blood vessels, happens naturally in your body when an increase in blood flow to tissues in your body is needed. It’s a normal process but ...

Vasodilation refers to a widening of the blood vessels within the body. This occurs when the smooth muscles in the arteries and major veins relax. Vasodilation occurs naturally in response to low ...

Drugs currently marketed for pulmonary arterial hypertension have been able to extend the lives of patients but have shown limitations in their ability to prevent or reverse the disease. A novel ...

Vasoconstriction is narrowing or constriction of the blood vessels. It happens when smooth muscles in blood vessel walls tighten. This makes the blood vessel opening smaller. “Vaso” actually means ...

Impaired vascular function leads to cardiovascular disease. Researchers have found that prolonged sitting impairs forearm cutaneous vasodilation function. They also showed that alternating local skin ...

Even while we are asleep, the brain does not rest completely. Surprisingly, the blood flow in a sleeping brain can be greater than when it is in a wakeful state. This allows the brain to remove waste ...

The progressive worsening of liver cirrhosis and portal hypertension (HTN) decreases intra-hepatic nitric oxide (NO), which is counterbalanced by increased NO secretion from adjacent endothelial cells ...