As a curious child, you might remember staring at an older relative's thick stockings at the blue, gnarled veins lying under the skin like bumpy snakes. Known as varicose veins, these blood ...

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, then why ...

Varicose veins are enlarged veins that are visible through the skin and may appear as blue or purple twisted, knot-like cords. Varicose veins can occur anywhere in the body, but are more commonly ...