Medically reviewed by Jeffrey S. Lander, MD Key Takeaways The inferior vena cava is a large vein that carries blood from the ...

Varicose veins are more than just a cosmetic concern: they can signal underlying health issues that many of us may overlook.

Spider veins and varicose veins are two types of damaged blood vessels. They occur when blood becomes backed up in eroding valves. A spider vein is essentially a milder form of a varicose vein.

Don’t get it twisted. While spider and varicose veins are a source of aesthetic ire for many, there are key, and potentially life-threatening, differences between the two conditions. “The difference ...