Venous insufficiency: MedlinePlus Medical Encyclopedia

Venous insufficiency is a condition in which the veins have problems sending blood from the legs back to the heart.

The Vein Institute

Is it true that humans were taller in the past, and that we are becoming shorter over time? - Quora

Venous Insufficiency: Causes, Symptoms, Prevention and Treatments

Varicose veins - Wikipedia

Arterial insufficiency: MedlinePlus Medical Encyclopedia

How do vein specialists diagnose venous insufficiency? - Quora

chronic venous insufficiency pictures - pictures, photos

What is the evolutionary benefit of only growing to a certain height? - Quora

Understanding Venous Insufficiency and Venous Ulcers - Top