Varicose veins, are swollen, bulging, twisted veins visible just beneath the skin that afflict millions of people. Here's what to know.

Portal vein blood flow accounts for 75% of total hepatic blood flow, with the hepatic artery accounting for the remainder. As a result, portal vein occlusion may have significant consequences for ...

Do your legs feel good in the morning but become increasingly swollen, heavy and tired as the day goes on? Your veins may be the culprit. Venous (vein) insufficiency, also known as vein disease, is a ...

“Venous insufficiency is the failure of the veins to adequately return blood to the heart, especially from the lower extremities, usually due to the effects of gravity,” explains Dr. Gary Tannenbaum, ...

Swollen veins can signal various underlying health conditions ranging from minor circulatory issues to serious medical concerns. Recognizing the primary causes helps determine when to seek ...

Humans have been harnessing the power of flowing water for thousands of years, but scaling the concept down to a size small enough to turn our veins into tiny power plants is something else altogether ...