Medically reviewed by Scott Sundick, MD Varicose veins are swollen blood vessels just below the skin's surface, most often in ...

Sclerotherapy is the most common procedure for varicose veins. It treats both spider veins and small varicose veins. During the procedure, a chemical is injected into different areas of the veins ...

What happens in our body that make our veins look blue, although they are full of red blood? Follow Tech Insider: On Facebook Following is a transcript of the video: If our blood is red ...

It's called deep vein thrombosis, or DVT. All our veins have small valves powered by the muscles around them. They keep blood moving toward the heart, instead of flowing backward inside veins.

Varicose veins are an early manifestation of chronic venous insufficiency. Although the risk factors associated with varicose veins are well described, the basic pathophysiology leading to venous ...